Security update for strongswan

Announcement ID: SUSE-SU-2022:14887-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2018-16151 ( SUSE ): 4.8 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
  • CVE-2018-16151 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  • CVE-2018-16152 ( SUSE ): 4.8 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
  • CVE-2018-16152 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
  • CVE-2018-17540 ( SUSE ): 7.0 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
  • CVE-2018-17540 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2021-45079 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L
  • CVE-2021-45079 ( 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 Point of Service 11 SP3
  • SUSE Linux Enterprise Server 11 SP4
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4

An update that solves four vulnerabilities can now be installed.

Description:

This update for strongswan fixes the following issues:

  • CVE-2018-16151: Fixed flaws in gmp plugin that could lead to authorization bypass. (bsc#1107874)
  • CVE-2018-16152: Fixed flaws in gmp plugin that could lead to authorization bypass. (bsc#1107874)
  • CVE-2018-17540: Fixed insufficient input validation in gmp plugin. (bsc#1109845)
  • CVE-2021-45079: Fixed authentication bypass in EAP authentication. (bsc#1194471)

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 Point of Service 11 SP3
    zypper in -t patch sleposp3-strongswan-14887=1
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4
    zypper in -t patch slessp4-strongswan-14887=1
  • SUSE Linux Enterprise Server 11 SP4
    zypper in -t patch slessp4-strongswan-14887=1

Package List:

  • SUSE Linux Enterprise Point of Service 11 SP3 (i586)
    • strongswan-4.4.0-6.36.12.1
    • strongswan-doc-4.4.0-6.36.12.1
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (ppc64 s390x x86_64 i586)
    • strongswan-4.4.0-6.36.12.1
    • strongswan-doc-4.4.0-6.36.12.1
  • SUSE Linux Enterprise Server 11 SP4 (ppc64 s390x x86_64 i586)
    • strongswan-4.4.0-6.36.12.1
    • strongswan-doc-4.4.0-6.36.12.1

References: