SUSE Security Update: Security update for gmp, gnutls, libnettle
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Announcement ID:    SUSE-SU-2020:0948-2
Rating:             moderate
References:         #1152692 #1155327 #1166881 #1168345 SLE-9518 
                    
Cross-References:   CVE-2020-11501
CVSS scores:
                    CVE-2020-11501 (NVD) : 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
                    CVE-2020-11501 (SUSE): 7.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Products:
                    SUSE Linux Enterprise Module for Certifications 15-SP3
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   An update that solves one vulnerability, contains one
   feature and has three fixes is now available.

Description:

   This update for gmp, gnutls, libnettle fixes the following issues:

   Security issue fixed:

   - CVE-2020-11501: Fixed zero random value in DTLS client hello
     (bsc#1168345)

   FIPS related bugfixes:

   - FIPS: Install checksums for binary integrity verification which are
     required when running in FIPS mode (bsc#1152692, jsc#SLE-9518)
   - FIPS: Fixed a cfb8 decryption issue, no longer truncate output IV if
     input is shorter than block size. (bsc#1166881)
   - FIPS: Added Diffie Hellman public key verification test. (bsc#1155327)


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 Module for Certifications 15-SP3:

      zypper in -t patch SUSE-SLE-Module-Certifications-15-SP3-2022-2391=1



Package List:

   - SUSE Linux Enterprise Module for Certifications 15-SP3 (aarch64 ppc64le s390x x86_64):

      gmp-debugsource-6.1.2-4.3.1
      gmp-devel-6.1.2-4.3.1
      libgmp10-6.1.2-4.3.1
      libgmp10-debuginfo-6.1.2-4.3.1
      libgmpxx4-6.1.2-4.3.1
      libgmpxx4-debuginfo-6.1.2-4.3.1
      libhogweed4-3.4.1-4.12.1
      libhogweed4-debuginfo-3.4.1-4.12.1
      libnettle-debugsource-3.4.1-4.12.1
      libnettle-devel-3.4.1-4.12.1
      libnettle6-3.4.1-4.12.1
      libnettle6-debuginfo-3.4.1-4.12.1
      nettle-3.4.1-4.12.1
      nettle-debuginfo-3.4.1-4.12.1

   - SUSE Linux Enterprise Module for Certifications 15-SP3 (x86_64):

      gmp-devel-32bit-6.1.2-4.3.1
      libgmp10-32bit-6.1.2-4.3.1
      libgmp10-32bit-debuginfo-6.1.2-4.3.1
      libgmpxx4-32bit-6.1.2-4.3.1
      libgmpxx4-32bit-debuginfo-6.1.2-4.3.1
      libhogweed4-32bit-3.4.1-4.12.1
      libhogweed4-32bit-debuginfo-3.4.1-4.12.1
      libnettle-devel-32bit-3.4.1-4.12.1
      libnettle6-32bit-3.4.1-4.12.1
      libnettle6-32bit-debuginfo-3.4.1-4.12.1


References:

   https://www.suse.com/security/cve/CVE-2020-11501.html
   https://bugzilla.suse.com/1152692
   https://bugzilla.suse.com/1155327
   https://bugzilla.suse.com/1166881
   https://bugzilla.suse.com/1168345