Security update for libgcrypt

Announcement ID:	SUSE-SU-2021:2155-1
Rating:	important
References:	bsc#1187212
Cross-References:	CVE-2021-33560
CVSS scores:	CVE-2021-33560 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2021-33560 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products:	SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise High Performance Computing 15 LTSS 15 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server 15 LTSS 15 SUSE Linux Enterprise Server ESPOS 15 SUSE Linux Enterprise Server for SAP Applications 15

An update that solves one vulnerability can now be installed.

Description:

This update for libgcrypt fixes the following issues:

• CVE-2021-33560: Fixed a side-channel against ElGamal encryption, caused by missing exponent blinding (bsc#1187212).

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

• SUSE Linux Enterprise Server ESPOS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2021-2155=1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2021-2155=1
• SUSE Linux Enterprise Server 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-SLES-15-2021-2155=1
• SUSE Linux Enterprise Server for SAP Applications 15
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-2155=1

Package List:

• SUSE Linux Enterprise Server ESPOS 15 (aarch64 x86_64)
  • libgcrypt-devel-debuginfo-1.8.2-6.52.1
  • libgcrypt20-1.8.2-6.52.1
  • libgcrypt20-debuginfo-1.8.2-6.52.1
  • libgcrypt-debugsource-1.8.2-6.52.1
  • libgcrypt20-hmac-1.8.2-6.52.1
  • libgcrypt-devel-1.8.2-6.52.1
• SUSE Linux Enterprise Server ESPOS 15 (x86_64)
  • libgcrypt20-32bit-1.8.2-6.52.1
  • libgcrypt20-hmac-32bit-1.8.2-6.52.1
  • libgcrypt20-32bit-debuginfo-1.8.2-6.52.1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (aarch64 x86_64)
  • libgcrypt-devel-debuginfo-1.8.2-6.52.1
  • libgcrypt20-1.8.2-6.52.1
  • libgcrypt20-debuginfo-1.8.2-6.52.1
  • libgcrypt-debugsource-1.8.2-6.52.1
  • libgcrypt20-hmac-1.8.2-6.52.1
  • libgcrypt-devel-1.8.2-6.52.1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (x86_64)
  • libgcrypt20-32bit-1.8.2-6.52.1
  • libgcrypt20-hmac-32bit-1.8.2-6.52.1
  • libgcrypt20-32bit-debuginfo-1.8.2-6.52.1
• SUSE Linux Enterprise Server 15 LTSS 15 (aarch64 ppc64le s390x x86_64)
  • libgcrypt-devel-debuginfo-1.8.2-6.52.1
  • libgcrypt20-1.8.2-6.52.1
  • libgcrypt20-debuginfo-1.8.2-6.52.1
  • libgcrypt-debugsource-1.8.2-6.52.1
  • libgcrypt20-hmac-1.8.2-6.52.1
  • libgcrypt-devel-1.8.2-6.52.1
• SUSE Linux Enterprise Server 15 LTSS 15 (x86_64)
  • libgcrypt20-32bit-1.8.2-6.52.1
  • libgcrypt20-hmac-32bit-1.8.2-6.52.1
  • libgcrypt20-32bit-debuginfo-1.8.2-6.52.1
• SUSE Linux Enterprise Server for SAP Applications 15 (ppc64le x86_64)
  • libgcrypt-devel-debuginfo-1.8.2-6.52.1
  • libgcrypt20-1.8.2-6.52.1
  • libgcrypt20-debuginfo-1.8.2-6.52.1
  • libgcrypt-debugsource-1.8.2-6.52.1
  • libgcrypt20-hmac-1.8.2-6.52.1
  • libgcrypt-devel-1.8.2-6.52.1
• SUSE Linux Enterprise Server for SAP Applications 15 (x86_64)
  • libgcrypt20-32bit-1.8.2-6.52.1
  • libgcrypt20-hmac-32bit-1.8.2-6.52.1
  • libgcrypt20-32bit-debuginfo-1.8.2-6.52.1

References:

• https://www.suse.com/security/cve/CVE-2021-33560.html
• https://bugzilla.suse.com/show_bug.cgi?id=1187212