CVE-2019-13627

It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.

It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.

The libgcrypt library provides general-purpose implementations of various cryptographic algorithms.

The following packages have been upgraded to a later upstream version: libgcrypt (1.8.5). (BZ#1764918)

Security Fix(es):

• libgcrypt: ECDSA timing attack allowing private key leak (CVE-2019-13627)

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 8.3 Release Notes linked from the References section.

It was discovered that there was a ECDSA timing attack in the libgcrypt20 cryptographic library. Version affected: 1.8.4-5, 1.7.6-2+deb9u3, and 1.6.3-2+deb8u4. Versions fixed: 1.8.5-2 and 1.6.3-2+deb8u7.

Updated libgcrypt packages fix security vulnerability:

ECDSA timing side-channel attack vulnerability (CVE-2019-13627).

This update for libgcrypt fixes the following issues:

Security issues fixed:

• CVE-2019-13627: Mitigated ECDSA timing attack. (bsc#1148987)

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

This update for libgcrypt fixes the following issues:

Security issues fixed:

• CVE-2019-13627: Mitigation against an ECDSA timing attack (bsc#1148987).

Bug fixes:

• Added CMAC AES self test (bsc#1155339).
• Added CMAC TDES self test missing (bsc#1155338).
• Fix test dsa-rfc6979 in FIPS mode.

This update was imported from the SUSE:SLE-15-SP1:Update update project.

These are all security issues fixed in the libgcrypt-cavs-1.9.4-1.2 package on the GA media of openSUSE Tumbleweed.

This update for libgcrypt fixes the following issues:

Security issues fixed:

• CVE-2019-13627: Mitigated ECDSA timing attack. (bsc#1148987)

This update for libgcrypt fixes the following issues:

Security issues fixed:

• CVE-2019-13627: Mitigated ECDSA timing attack. (bsc#1148987)

This update for libgcrypt fixes the following issues:

Security issues fixed:

• CVE-2019-13627: Mitigation against an ECDSA timing attack (bsc#1148987).

Bug fixes:

• Added CMAC AES self test (bsc#1155339).
• Added CMAC TDES self test missing (bsc#1155338).
• Fix test dsa-rfc6979 in FIPS mode.

It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover sensitive information.

USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides the corresponding fix for Ubuntu 16.04 LTS.

Original advisory details:

It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover sensitive information.

USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover sensitive information.