A libgcrypt security update has been released for openSUSE Leap 15.3.

openSUSE-SU-2021:2157-1: important: Security update for libgcrypt

openSUSE Security Update: Security update for libgcrypt
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Announcement ID: openSUSE-SU-2021:2157-1
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 15.3
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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).

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 15.3:

zypper in -t patch openSUSE-SLE-15.3-2021-2157=1


Package List:

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

libgcrypt-cavs-1.8.2-8.39.1
libgcrypt-cavs-debuginfo-1.8.2-8.39.1
libgcrypt-debugsource-1.8.2-8.39.1
libgcrypt-devel-1.8.2-8.39.1
libgcrypt-devel-debuginfo-1.8.2-8.39.1
libgcrypt20-1.8.2-8.39.1
libgcrypt20-debuginfo-1.8.2-8.39.1
libgcrypt20-hmac-1.8.2-8.39.1

- openSUSE Leap 15.3 (x86_64):

libgcrypt-devel-32bit-1.8.2-8.39.1
libgcrypt-devel-32bit-debuginfo-1.8.2-8.39.1
libgcrypt20-32bit-1.8.2-8.39.1
libgcrypt20-32bit-debuginfo-1.8.2-8.39.1
libgcrypt20-hmac-32bit-1.8.2-8.39.1

References:

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