SUSE-SU-2021:14751-1: important: Security update for libgcrypt

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for libgcrypt
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:14751-1
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 11-SP4-LTSS
                    SUSE Linux Enterprise Point of Sale 11-SP3
                    SUSE Linux Enterprise Debuginfo 11-SP4
                    SUSE Linux Enterprise Debuginfo 11-SP3
______________________________________________________________________________

   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 11-SP4-LTSS:

      zypper in -t patch slessp4-libgcrypt-14751=1

   - SUSE Linux Enterprise Point of Sale 11-SP3:

      zypper in -t patch sleposp3-libgcrypt-14751=1

   - SUSE Linux Enterprise Debuginfo 11-SP4:

      zypper in -t patch dbgsp4-libgcrypt-14751=1

   - SUSE Linux Enterprise Debuginfo 11-SP3:

      zypper in -t patch dbgsp3-libgcrypt-14751=1



Package List:

   - SUSE Linux Enterprise Server 11-SP4-LTSS (i586 ppc64 s390x x86_64):

      libgcrypt11-1.5.0-0.26.6.1

   - SUSE Linux Enterprise Server 11-SP4-LTSS (ppc64 s390x x86_64):

      libgcrypt11-32bit-1.5.0-0.26.6.1

   - SUSE Linux Enterprise Point of Sale 11-SP3 (i586):

      libgcrypt11-1.5.0-0.26.6.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ppc64 s390x x86_64):

      libgcrypt-debuginfo-1.5.0-0.26.6.1
      libgcrypt-debugsource-1.5.0-0.26.6.1

   - SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):

      libgcrypt-debuginfo-1.5.0-0.26.6.1
      libgcrypt-debugsource-1.5.0-0.26.6.1


References:

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