openSUSE Security Update: Security update for libgcrypt
______________________________________________________________________________

Announcement ID:    openSUSE-SU-2021:0919-1
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:
                    openSUSE Leap 15.2
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   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).

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


Patch Instructions:

   To install this openSUSE 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:

   - openSUSE Leap 15.2:

      zypper in -t patch openSUSE-2021-919=1



Package List:

   - openSUSE Leap 15.2 (i586 x86_64):

      libgcrypt-cavs-1.8.2-lp152.17.3.1
      libgcrypt-cavs-debuginfo-1.8.2-lp152.17.3.1
      libgcrypt-debugsource-1.8.2-lp152.17.3.1
      libgcrypt-devel-1.8.2-lp152.17.3.1
      libgcrypt-devel-debuginfo-1.8.2-lp152.17.3.1
      libgcrypt20-1.8.2-lp152.17.3.1
      libgcrypt20-debuginfo-1.8.2-lp152.17.3.1
      libgcrypt20-hmac-1.8.2-lp152.17.3.1

   - openSUSE Leap 15.2 (x86_64):

      libgcrypt-devel-32bit-1.8.2-lp152.17.3.1
      libgcrypt-devel-32bit-debuginfo-1.8.2-lp152.17.3.1
      libgcrypt20-32bit-1.8.2-lp152.17.3.1
      libgcrypt20-32bit-debuginfo-1.8.2-lp152.17.3.1
      libgcrypt20-hmac-32bit-1.8.2-lp152.17.3.1


References:

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