SUSE Security Update: Security update for libgcrypt
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:2155-1
Rating:             important
References:         #1187212 
Cross-References:   CVE-2021-33560
CVSS scores:
                    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
                    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

Affected Products:
                    SUSE Linux Enterprise Server for SAP 15
                    SUSE Linux Enterprise Server 15-LTSS
                    SUSE Linux Enterprise High Performance Computing 15-LTSS
                    SUSE Linux Enterprise High Performance Computing 15-ESPOS
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

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 Security 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 for SAP 15:

      zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-2155=1

   - SUSE Linux Enterprise Server 15-LTSS:

      zypper in -t patch SUSE-SLE-Product-SLES-15-2021-2155=1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-2021-2155=1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-2021-2155=1



Package List:

   - SUSE Linux Enterprise Server for SAP 15 (ppc64le x86_64):

      libgcrypt-debugsource-1.8.2-6.52.1
      libgcrypt-devel-1.8.2-6.52.1
      libgcrypt-devel-debuginfo-1.8.2-6.52.1
      libgcrypt20-1.8.2-6.52.1
      libgcrypt20-debuginfo-1.8.2-6.52.1
      libgcrypt20-hmac-1.8.2-6.52.1

   - SUSE Linux Enterprise Server for SAP 15 (x86_64):

      libgcrypt20-32bit-1.8.2-6.52.1
      libgcrypt20-32bit-debuginfo-1.8.2-6.52.1
      libgcrypt20-hmac-32bit-1.8.2-6.52.1

   - SUSE Linux Enterprise Server 15-LTSS (aarch64 s390x):

      libgcrypt-debugsource-1.8.2-6.52.1
      libgcrypt-devel-1.8.2-6.52.1
      libgcrypt-devel-debuginfo-1.8.2-6.52.1
      libgcrypt20-1.8.2-6.52.1
      libgcrypt20-debuginfo-1.8.2-6.52.1
      libgcrypt20-hmac-1.8.2-6.52.1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS (aarch64 x86_64):

      libgcrypt-debugsource-1.8.2-6.52.1
      libgcrypt-devel-1.8.2-6.52.1
      libgcrypt-devel-debuginfo-1.8.2-6.52.1
      libgcrypt20-1.8.2-6.52.1
      libgcrypt20-debuginfo-1.8.2-6.52.1
      libgcrypt20-hmac-1.8.2-6.52.1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS (x86_64):

      libgcrypt20-32bit-1.8.2-6.52.1
      libgcrypt20-32bit-debuginfo-1.8.2-6.52.1
      libgcrypt20-hmac-32bit-1.8.2-6.52.1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS (aarch64
 x86_64):

      libgcrypt-debugsource-1.8.2-6.52.1
      libgcrypt-devel-1.8.2-6.52.1
      libgcrypt-devel-debuginfo-1.8.2-6.52.1
      libgcrypt20-1.8.2-6.52.1
      libgcrypt20-debuginfo-1.8.2-6.52.1
      libgcrypt20-hmac-1.8.2-6.52.1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS (x86_64):

      libgcrypt20-32bit-1.8.2-6.52.1
      libgcrypt20-32bit-debuginfo-1.8.2-6.52.1
      libgcrypt20-hmac-32bit-1.8.2-6.52.1


References:

   https://www.suse.com/security/cve/CVE-2021-33560.html
   https://bugzilla.suse.com/1187212