SUSE Security Update: Security update for strongswan
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Announcement ID:    SUSE-SU-2022:14887-1
Rating:             important
References:         #1107874 #1109845 #1194471 
Cross-References:   CVE-2018-16151 CVE-2018-16152 CVE-2018-17540
                    CVE-2021-45079
CVSS scores:
                    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-2018-16151 (SUSE): 4.8 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
                    CVE-2018-16152 (NVD) : 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
                    CVE-2018-16152 (SUSE): 4.8 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
                    CVE-2018-17540 (NVD) : 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2018-17540 (SUSE): 7 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
                    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
                    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

Affected Products:
                    SUSE Linux Enterprise Debuginfo 11-SP3
                    SUSE Linux Enterprise Debuginfo 11-SP4
                    SUSE Linux Enterprise Point of Sale 11-SP3
                    SUSE Linux Enterprise Server 11-SP4-LTSS
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   An update that fixes four vulnerabilities is now available.

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 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 Server 11-SP4-LTSS:

      zypper in -t patch slessp4-strongswan-14887=1

   - SUSE Linux Enterprise Point of Sale 11-SP3:

      zypper in -t patch sleposp3-strongswan-14887=1

   - SUSE Linux Enterprise Debuginfo 11-SP4:

      zypper in -t patch dbgsp4-strongswan-14887=1

   - SUSE Linux Enterprise Debuginfo 11-SP3:

      zypper in -t patch dbgsp3-strongswan-14887=1



Package List:

   - SUSE Linux Enterprise Server 11-SP4-LTSS (i586 ppc64 s390x x86_64):

      strongswan-4.4.0-6.36.12.1
      strongswan-doc-4.4.0-6.36.12.1

   - SUSE Linux Enterprise Point of Sale 11-SP3 (i586):

      strongswan-4.4.0-6.36.12.1
      strongswan-doc-4.4.0-6.36.12.1

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ppc64 s390x x86_64):

      strongswan-debuginfo-4.4.0-6.36.12.1
      strongswan-debugsource-4.4.0-6.36.12.1

   - SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):

      strongswan-debuginfo-4.4.0-6.36.12.1
      strongswan-debugsource-4.4.0-6.36.12.1


References:

   https://www.suse.com/security/cve/CVE-2018-16151.html
   https://www.suse.com/security/cve/CVE-2018-16152.html
   https://www.suse.com/security/cve/CVE-2018-17540.html
   https://www.suse.com/security/cve/CVE-2021-45079.html
   https://bugzilla.suse.com/1107874
   https://bugzilla.suse.com/1109845
   https://bugzilla.suse.com/1194471