Security update for libtasn1

Announcement ID: SUSE-SU-2022:3797-1
Rating: critical
References:
Cross-References:
CVSS scores:
  • CVE-2017-6891 ( SUSE ): 5.1 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
  • CVE-2017-6891 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2017-6891 ( NVD ): 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2018-1000654 ( SUSE ): 6.2 CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2018-1000654 ( NVD ): 5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2021-46848 ( SUSE ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
  • CVE-2021-46848 ( NVD ): 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP2
  • SUSE Linux Enterprise Server 12 SP2
  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2

An update that solves three vulnerabilities can now be installed.

Description:

This update for libtasn1 fixes the following issues:

Security issue fixed:

  • CVE-2018-1000654: Fixed a denial of service in the asn1 parser (bsc#1105435).
  • CVE-2017-6891: Added safety check to fix a stack overflow issue (bsc#1040621).
  • CVE-2021-46848: Fixed off-by-one array size check that affects asn1_encode_simple_der (bsc#1204690)

Patch Instructions:

To install this SUSE 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 12 SP2 BCL 12-SP2
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2022-3797=1

Package List:

  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
    • libtasn1-3.7-13.7.1
    • libtasn1-debuginfo-3.7-13.7.1
    • libtasn1-debugsource-3.7-13.7.1
    • libtasn1-6-debuginfo-32bit-3.7-13.7.1
    • libtasn1-6-debuginfo-3.7-13.7.1
    • libtasn1-6-3.7-13.7.1
    • libtasn1-6-32bit-3.7-13.7.1

References: