CVE-2023-45234

EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing the IA_NA or IA_TA option in a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

EDK2's Network Package is susceptible to a buffer overflow vulnerability via a long server ID option in DHCPv6 client. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing  Neighbor Discovery Redirect message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

EDK2's Network Package is susceptible to an infinite loop vulnerability when parsing unknown options in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Availability.

EDK2's Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Availability.

EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

EDK2's Network Package is susceptible to a buffer overflow vulnerability when

handling Server ID option

from a DHCPv6 proxy Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications.

Security Fix(es):

EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing the IA_NA or IA_TA option in a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.(CVE-2023-45229)

EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing  Neighbor Discovery Redirect message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.(CVE-2023-45231)

EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

(CVE-2023-45234)

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications.

Security Fix(es):

EDK2 is susceptible to a vulnerability in the Tcg2MeasurePeImage() function, allowing a user to trigger a heap buffer overflow via a local network. Successful exploitation of this vulnerability may result in a compromise of confidentiality, integrity, and/or availability.

(CVE-2022-36764)

EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing the IA_NA or IA_TA option in a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.(CVE-2023-45229)

EDK2's Network Package is susceptible to a buffer overflow vulnerability via a long server ID option in DHCPv6 client. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

(CVE-2023-45230)

EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing  Neighbor Discovery Redirect message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.(CVE-2023-45231)

EDK2's Network Package is susceptible to an infinite loop vulnerability when parsing unknown options in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Availability.

(CVE-2023-45232)

EDK2's Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Availability.

(CVE-2023-45233)

EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

(CVE-2023-45234)

EDK2's Network Package is susceptible to a buffer overflow vulnerability when

handling Server ID option

from a DHCPv6 proxy Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

(CVE-2023-45235)

EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

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.

Security Fix(es):

• edk2: Buffer overflow in the DHCPv6 client via a long Server ID option (CVE-2023-45230)
• edk2: Buffer overflow when processing DNS Servers option in a DHCPv6 Advertise message (CVE-2023-45234)

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.

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.

Security Fix(es):

• edk2: Buffer overflow in the DHCPv6 client via a long Server ID option (CVE-2023-45230)
• edk2: Buffer overflow when processing DNS Servers option in a DHCPv6 Advertise message (CVE-2023-45234)

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.

• CVE-2023-45229: fix IPv6 malformed option handling to prevent parsing loop
• CVE-2023-45230: fix DHCPv6 ServerID length validation to prevent buffer overflow
• CVE-2023-45231: fix IPv6 Redirect bounds checks to avoid out-of-bounds access
• CVE-2023-45232: fix IPv6 destination option parsing to prevent infinite loop
• CVE-2023-45233: fix PadN option handling in IPv6 PXE processing to prevent loop
• CVE-2023-45234: fix DHCPv6 Advertise DNS Servers option parsing to prevent buffer overflow
• CVE-2023-45235: fix DHCPv6 proxy Advertise ServerID option parsing to prevent buffer overflow

These are all security issues fixed in the ovmf-202402-1.1 package on the GA media of openSUSE Tumbleweed.

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.

Security Fix(es):

• edk2: Buffer overflow in the DHCPv6 client via a long Server ID option (CVE-2023-45230)

• edk2: Buffer overflow when processing DNS Servers option in a DHCPv6 Advertise message (CVE-2023-45234)

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.

This update for ovmf fixes the following issues:

• CVE-2023-45229: out-of-bounds read in edk2 when processing IA_NA/IA_TA options in DHCPv6 Advertise messages. (bsc#1218879)
• CVE-2023-45230: buffer overflow in the DHCPv6 client in edk2 via a long Server ID option. (bsc#1218880)
• CVE-2023-45231: out-of-bounds read in edk2 when handling a ND Redirect message with truncated options. (bsc#1218881)
• CVE-2023-45232: infinite loop in edk2 when parsing unknown options in the Destination Options header. (bsc#1218882)
• CVE-2023-45233: infinite loop in edk2 when parsing PadN options in the Destination Options header. (bsc#1218883)
• CVE-2023-45234: buffer overflow in edk2 when processing DNS Servers options in a DHCPv6 Advertise message. (bsc#1218884)
• CVE-2023-45235: buffer overflow in edk2 when handling the Server ID option in a DHCPv6 proxy Advertise message. (bsc#1218885)
• CVE-2023-45236: predictable TCP Initial Sequence Numbers in edk2 network packages. (bsc#1218886)
• CVE-2023-45237: use of a weak pseudorandom number generator in edk2. (bsc#1218887)

This update for ovmf fixes the following issues:

• CVE-2023-45229: out-of-bounds read in edk2 when processing IA_NA/IA_TA options in DHCPv6 Advertise messages. (bsc#1218879)
• CVE-2023-45230: buffer overflow in the DHCPv6 client in edk2 via a long Server ID option. (bsc#1218880)
• CVE-2023-45231: out-of-bounds read in edk2 when handling a ND Redirect message with truncated options. (bsc#1218881)
• CVE-2023-45232: infinite loop in edk2 when parsing unknown options in the Destination Options header. (bsc#1218882)
• CVE-2023-45233: infinite loop in edk2 when parsing PadN options in the Destination Options header. (bsc#1218883)
• CVE-2023-45234: buffer overflow in edk2 when processing DNS Servers options in a DHCPv6 Advertise message. (bsc#1218884)
• CVE-2023-45235: buffer overflow in edk2 when handling the Server ID option in a DHCPv6 proxy Advertise message. (bsc#1218885)
• CVE-2023-45236: predictable TCP Initial Sequence Numbers in edk2 network packages. (bsc#1218886)
• CVE-2023-45237: use of a weak pseudorandom number generator in edk2. (bsc#1218887)

This update for ovmf fixes the following issues:

• CVE-2024-1298: potential division-by-zero crash in edk2 due to UINT32 overflow in S3 ResumeCount. (bsc#1225889)
• CVE-2023-45229: out-of-bounds read in edk2 when processing IA_NA/IA_TA options in DHCPv6 Advertise messages. (bsc#1218879)
• CVE-2023-45230: buffer overflow in the DHCPv6 client in edk2 via a long Server ID option. (bsc#1218880)
• CVE-2023-45231: out-of-bounds read in edk2 when handling a ND Redirect message with truncated options. (bsc#1218881)
• CVE-2023-45232: infinite loop in edk2 when parsing unknown options in the Destination Options header. (bsc#1218882)
• CVE-2023-45233: infinite loop in edk2 when parsing PadN options in the Destination Options header. (bsc#1218883)
• CVE-2023-45234: buffer overflow in edk2 when processing DNS Servers options in a DHCPv6 Advertise message. (bsc#1218884)
• CVE-2023-45235: buffer overflow in edk2 when handling the Server ID option in a DHCPv6 proxy Advertise message. (bsc#1218885)
• CVE-2023-45236: predictable TCP Initial Sequence Numbers in edk2 network packages. (bsc#1218886)
• CVE-2023-45237: use of a weak pseudorandom number generator in edk2. (bsc#1218887)

This update for ovmf fixes the following issues:

• CVE-2023-45229: out-of-bounds read in edk2 when processing IA_NA/IA_TA options in DHCPv6 Advertise messages. (bsc#1218879)
• CVE-2023-45230: buffer overflow in the DHCPv6 client in edk2 via a long Server ID option. (bsc#1218880)
• CVE-2023-45231: out-of-bounds read in edk2 when handling a ND Redirect message with truncated options. (bsc#1218881)
• CVE-2023-45232: infinite loop in edk2 when parsing unknown options in the Destination Options header. (bsc#1218882)
• CVE-2023-45233: infinite loop in edk2 when parsing PadN options in the Destination Options header. (bsc#1218883)
• CVE-2023-45234: buffer overflow in edk2 when processing DNS Servers options in a DHCPv6 Advertise message. (bsc#1218884)
• CVE-2023-45235: buffer overflow in edk2 when handling the Server ID option in a DHCPv6 proxy Advertise message. (bsc#1218885)

This update for ovmf fixes the following issues:

• CVE-2023-45231: Fixed out of bounds read when handling a ND Redirect message with truncated options (bsc#1218881).
• CVE-2023-45232: Fixed infinite loop when parsing unknown options in the Destination Options header (bsc#1218882).
• CVE-2023-45233: Fixed infinite loop when parsing a PadN option in the Destination Options header (bsc#1218883).
• CVE-2023-45234: Fixed buffer overflow when processing DNS Servers option in a DHCPv6 Advertise message (bsc#1218884).
• CVE-2023-45235: Fixed buffer overflow when handling Server ID option from a DHCPv6 proxy Advertise message (bsc#1218885).

Marc Beatove discovered buffer overflows exit in EDK2. An attacker on the local network could potentially use this to impact availability or possibly cause remote code execution. (CVE-2022-36763, CVE-2022-36764, CVE-2022-36765)

It was discovered that a buffer overflows exists in EDK2's Network Package An attacker on the local network could potentially use these to impact availability or possibly cause remote code execution. (CVE-2023-45230, CVE-2023-45234, CVE-2023-45235)

It was discovered that an out-of-bounds read exists in EDK2's Network Package An attacker on the local network could potentially use this to impact confidentiality. (CVE-2023-45231)

It was discovered that infinite-loops exists in EDK2's Network Package An attacker on the local network could potentially use these to impact availability. (CVE-2023-45232, CVE-2023-45233)

Mate Kukri discovered that an insecure default to allow UEFI Shell in EDK2 was left enabled in Ubuntu's EDK2. An attacker could use this to bypass Secure Boot. (CVE-2023-48733)