CVE-2021-23840

Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissable length for an integer on the platform. In such cases the return value from the function call will be 1 (indicating success), but the output length value will be negative. This could cause applications to behave incorrectly or crash. OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer receiving public updates. Premium support customers of OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x).

Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissable length for an integer on the platform. In such cases the return value from the function call will be 1 (indicating success), but the output length value will be negative. This could cause applications to behave incorrectly or crash. OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer receiving public updates. Premium support customers of OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x).

Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissable length for an integer on the platform. In such cases the return value from the function call will be 1 (indicating success), but the output length value will be negative. This could cause applications to behave incorrectly or crash. OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer receiving public updates. Premium support customers of OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x).

Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissable length for an integer on the platform. In such cases the return value from the function call will be 1 (indicating success), but the output length value will be negative. This could cause applications to behave incorrectly or crash. OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer receiving public updates. Premium support customers of OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x).

OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols.

Security Fix(es):

The OpenSSL public API function X509_issuer_and_serial_hash() attempts to create a unique hash value based on the issuer and serial number data contained within an X509 certificate. However it fails to correctly handle any errors that may occur while parsing the issuer field (which might occur if the issuer field is maliciously constructed). This may subsequently result in a NULL pointer deref and a crash leading to a potential denial of service attack. The function X509_issuer_and_serial_hash() is never directly called by OpenSSL itself so applications are only vulnerable if they use this function directly and they use it on certificates that may have been obtained from untrusted sources. OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer receiving public updates. Premium support customers of OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x).(CVE-2021-23841)

Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissable length for an integer on the platform. In such cases the return value from the function call will be 1 (indicating success), but the output length value will be negative. This could cause applications to behave incorrectly or crash. OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer receiving public updates. Premium support customers of OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x).(CVE-2021-23840)

Initial UEFI bootloader that handles chaining to a trusted full \ bootloader under secure boot environments.

Security Fix(es):

The X.509 GeneralName type is a generic type for representing different types of names. One of those name types is known as EDIPartyName. OpenSSL provides a function GENERAL_NAME_cmp which compares different instances of a GENERAL_NAME to see if they are equal or not. This function behaves incorrectly when both GENERAL_NAMEs contain an EDIPARTYNAME. A NULL pointer dereference and a crash may occur leading to a possible denial of service attack. OpenSSL itself uses the GENERAL_NAME_cmp function for two purposes: 1) Comparing CRL distribution point names between an available CRL and a CRL distribution point embedded in an X509 certificate 2) When verifying that a timestamp response token signer matches the timestamp authority name (exposed via the API functions TS_RESP_verify_response and TS_RESP_verify_token) If an attacker can control both items being compared then that attacker could trigger a crash. For example if the attacker can trick a client or server into checking a malicious certificate against a malicious CRL then this may occur. Note that some applications automatically download CRLs based on a URL embedded in a certificate. This checking happens prior to the signatures on the certificate and CRL being verified. OpenSSL's s_server, s_client and verify tools have support for the "-crl_download" option which implements automatic CRL downloading and this attack has been demonstrated to work against those tools. Note that an unrelated bug means that affected versions of OpenSSL cannot parse or construct correct encodings of EDIPARTYNAME. However it is possible to construct a malformed EDIPARTYNAME that OpenSSL's parser will accept and hence trigger this attack. All OpenSSL 1.1.1 and 1.0.2 versions are affected by this issue. Other OpenSSL releases are out of support and have not been checked. Fixed in OpenSSL 1.1.1i (Affected 1.1.1-1.1.1h). Fixed in OpenSSL 1.0.2x (Affected 1.0.2-1.0.2w).(CVE-2020-1971)

Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissable length for an integer on the platform. In such cases the return value from the function call will be 1 (indicating success), but the output length value will be negative. This could cause applications to behave incorrectly or crash. OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer receiving public updates. Premium support customers of OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x).(CVE-2021-23840)

While parsing an IPAddressFamily extension in an X.509 certificate, it is possible to do a one-byte overread. This would result in an incorrect text display of the certificate. This bug has been present since 2006 and is present in all versions of OpenSSL before 1.0.2m and 1.1.0g.(CVE-2017-3735)

During key agreement in a TLS handshake using a DH(E) based ciphersuite a malicious server can send a very large prime value to the client. This will cause the client to spend an unreasonably long period of time generating a key for this prime resulting in a hang until the client has finished. This could be exploited in a Denial Of Service attack. Fixed in OpenSSL 1.1.0i-dev (Affected 1.1.0-1.1.0h). Fixed in OpenSSL 1.0.2p-dev (Affected 1.0.2-1.0.2o).(CVE-2018-0732)

ASN.1 strings are represented internally within OpenSSL as an ASN1_STRING structure which contains a buffer holding the string data and a field holding the buffer length. This contrasts with normal C strings which are…

EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM.

The following packages have been upgraded to a later upstream version: edk2 (20210527gite1999b264f1f). (BZ#1846481, BZ#1938238)

Security Fix(es):

• openssl: integer overflow in CipherUpdate (CVE-2021-23840)

• openssl: NULL pointer dereference in X509_issuer_and_serial_hash() (CVE-2021-23841)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.5 Release Notes linked from the References section.

OpenSSL is a toolkit that implements the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, as well as a full-strength general-purpose cryptography library.

Security Fix(es):

• openssl: integer overflow in CipherUpdate (CVE-2021-23840)

• openssl: NULL pointer dereference in X509_issuer_and_serial_hash() (CVE-2021-23841)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.5 Release Notes linked from the References section.

Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissable length for an integer on the platform. In such cases the return value from the function call will be 1 (indicating success), but the output length value will be negative. This could cause applications to behave incorrectly or crash.

Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissable length for an integer on the platform. In such cases the return value from the function call will be 1 (indicating success), but the output length value will be negative. This could cause applications to behave incorrectly or crash. OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer receiving public updates. Premium support customers of OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x).

EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM.

The following packages have been upgraded to a later upstream version: edk2 (20210527gite1999b264f1f). (BZ#1846481, BZ#1938238)

Security Fix(es):

• openssl: integer overflow in CipherUpdate (CVE-2021-23840)

• openssl: NULL pointer dereference in X509_issuer_and_serial_hash() (CVE-2021-23841)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissable length for an integer on the platform. In such cases the return value from the function call will be 1 (indicating success), but the output length value will be negative. This could cause applications to behave incorrectly or crash. OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer receiving public updates. Premium support customers of OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x).

Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissable length for an integer on the platform. In such cases the return value from the function call will be 1 (indicating success), but the output length value will be negative. This could cause applications to behave incorrectly or crash. OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer receiving public updates. Premium support customers of OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x).

• Fixed integer overflow in CipherUpdate(CVE-2021-23840)

• Fixed integer overflow in CipherUpdate(CVE-2021-23840)

• CVE-2021-3712: openssl: Read buffer overruns processing ASN.1 strings
• CVE-2021-23840: openssl: integer overflow in CipherUpdate
• CVE-2021-23841: openssl: NULL pointer dereference in X509_issuer_and_serial_hash()

Paul Kehrer discovered that OpenSSL incorrectly handled certain input lengths in EVP functions. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service (CVE-2021-23840).

Tavis Ormandy discovered that OpenSSL incorrectly handled parsing issuer fields. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service (CVE-2021-23841).

This update for nodejs12 fixes the following issues:

New upstream LTS version 12.21.0:

• CVE-2021-22883: HTTP2 'unknownProtocol' cause Denial of Service by resource exhaustion (bsc#1182619)
• CVE-2021-22884: DNS rebinding in --inspect (bsc#1182620)
• CVE-2021-23840: OpenSSL - Integer overflow in CipherUpdate (bsc#1182333)

This update was imported from the SUSE:SLE-15-SP2:Update update project.

This update for nodejs10 fixes the following issues:

New upstream LTS version 10.24.0:

• CVE-2021-22883: HTTP2 'unknownProtocol' cause Denial of Service by resource exhaustion (bsc#1182619)
• CVE-2021-22884: DNS rebinding in --inspect (bsc#1182620)
• CVE-2021-23840: OpenSSL - Integer overflow in CipherUpdate (bsc#1182333)

This update was imported from the SUSE:SLE-15:Update update project.

This update for openssl-1_1 fixes the following issues:

• CVE-2021-23840: Fixed an Integer overflow in CipherUpdate (bsc#1182333)
• CVE-2021-23841: Fixed a Null pointer dereference in X509_issuer_and_serial_hash() (bsc#1182331)
• Fixed unresolved error codes in FIPS (bsc#1182959).

This update was imported from the SUSE:SLE-15-SP2:Update update project.

This update for openssl-1_0_0 fixes the following issues:

• CVE-2021-23840: Fixed an Integer overflow in CipherUpdate (bsc#1182333)
• CVE-2021-23841: Fixed a Null pointer dereference in X509_issuer_and_serial_hash() (bsc#1182331)

This update was imported from the SUSE:SLE-15:Update update project.

These are all security issues fixed in the libopenssl-1_0_0-devel-1.0.2u-6.2 package on the GA media of openSUSE Tumbleweed.

These are all security issues fixed in the libopenssl-1_1-devel-1.1.1l-1.2 package on the GA media of openSUSE Tumbleweed.

This feature update for venv-salt-minion provides the following changes:

• Introduce venv-salt-minion.
• Mention fixed issues provided with the bundle.

This update for nodejs12 fixes the following issues:

New upstream LTS version 12.21.0:

• CVE-2021-22883: HTTP2 'unknownProtocol' cause Denial of Service by resource exhaustion (bsc#1182619)
• CVE-2021-22884: DNS rebinding in --inspect (bsc#1182620)
• CVE-2021-23840: OpenSSL - Integer overflow in CipherUpdate (bsc#1182333)

This update for nodejs12 fixes the following issues:

New upstream LTS version 12.21.0:

• CVE-2021-22883: HTTP2 'unknownProtocol' cause Denial of Service by resource exhaustion (bsc#1182619)
• CVE-2021-22884: DNS rebinding in --inspect (bsc#1182620)
• CVE-2021-23840: OpenSSL - Integer overflow in CipherUpdate (bsc#1182333)

This update for nodejs10 fixes the following issues:

New upstream LTS version 10.24.0:

• CVE-2021-22883: HTTP2 'unknownProtocol' cause Denial of Service by resource exhaustion (bsc#1182619)
• CVE-2021-22884: DNS rebinding in --inspect (bsc#1182620)
• CVE-2021-23840: OpenSSL - Integer overflow in CipherUpdate (bsc#1182333)

This update for nodejs10 fixes the following issues:

New upstream LTS version 10.24.0:

• CVE-2021-22883: HTTP2 'unknownProtocol' cause Denial of Service by resource exhaustion (bsc#1182619)
• CVE-2021-22884: DNS rebinding in --inspect (bsc#1182620)
• CVE-2021-23840: OpenSSL - Integer overflow in CipherUpdate (bsc#1182333)

This update for openssl-1_0_0 fixes the following issues:

• CVE-2021-23840: Fixed an Integer overflow in CipherUpdate (bsc#1182333)
• CVE-2021-23841: Fixed a Null pointer dereference in X509_issuer_and_serial_hash() (bsc#1182331)

This update for openssl-1_1 fixes the following issues:

• CVE-2021-23840: Fixed an Integer overflow in CipherUpdate (bsc#1182333)
• CVE-2021-23841: Fixed a Null pointer dereference in X509_issuer_and_serial_hash() (bsc#1182331)

This update for openssl-1_1 fixes the following issues:

• CVE-2021-23840: Fixed an Integer overflow in CipherUpdate (bsc#1182333)
• CVE-2021-23841: Fixed a Null pointer dereference in X509_issuer_and_serial_hash() (bsc#1182331)

This update for openssl-1_1 fixes the following issues:

• CVE-2021-23840: Fixed an Integer overflow in CipherUpdate (bsc#1182333)
• CVE-2021-23841: Fixed a Null pointer dereference in X509_issuer_and_serial_hash() (bsc#1182331)
• Fixed unresolved error codes in FIPS (bsc#1182959).

This update for openssl-1_1 fixes the following issues:

• CVE-2021-23840: Fixed an Integer overflow in CipherUpdate (bsc#1182333)
• CVE-2021-23841: Fixed a Null pointer dereference in X509_issuer_and_serial_hash() (bsc#1182331)

This update for openssl-1_0_0 fixes the following issues:

• CVE-2021-23840: Fixed an Integer overflow in CipherUpdate (bsc#1182333)
• CVE-2021-23841: Fixed a Null pointer dereference in X509_issuer_and_serial_hash() (bsc#1182331)

This update for compat-openssl098 fixes the following issues:

• CVE-2021-23840: Fixed an Integer overflow in CipherUpdate (bsc#1182333)
• CVE-2021-23841: Fixed a Null pointer dereference in X509_issuer_and_serial_hash() (bsc#1182331)

This update for openssl fixes the following issues:

• CVE-2021-23840: Fixed an Integer overflow in CipherUpdate (bsc#1182333)
• CVE-2021-23841: Fixed a Null pointer dereference in X509_issuer_and_serial_hash() (bsc#1182331)

This update for openssl1 fixes the following issues:

• CVE-2021-23840: Fixed an Integer overflow in CipherUpdate (bsc#1182333)
• CVE-2021-23841: Fixed a Null pointer dereference in X509_issuer_and_serial_hash() (bsc#1182331)

This update for openssl fixes the following issues:

• CVE-2021-23840: Fixed an Integer overflow in CipherUpdate (bsc#1182333)
• CVE-2021-23841: Fixed a Null pointer dereference in X509_issuer_and_serial_hash() (bsc#1182331)

Paul Kehrer discovered that OpenSSL incorrectly handled certain input lengths in EVP functions. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2021-23840)

Tavis Ormandy discovered that OpenSSL incorrectly handled parsing issuer fields. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2021-23841)