Security update for squid

Announcement ID: SUSE-SU-2020:1134-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2019-12519 ( SUSE ): 7.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H
  • CVE-2019-12519 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2019-12521 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2019-12521 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2019-12528 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE-2019-12528 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE-2019-18860 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
  • CVE-2019-18860 ( NVD ): 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • CVE-2020-11945 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-11945 ( NVD ): 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-8517 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2020-8517 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves six vulnerabilities can now be installed.

Description:

This update for squid to version 4.11 fixes the following issues:

  • CVE-2020-11945: Fixed a potential remote code execution vulnerability when using HTTP Digest Authentication (bsc#1170313).
  • CVE-2019-12519, CVE-2019-12521: Fixed incorrect buffer handling that can result in cache poisoning, remote execution, and denial of service attacks when processing ESI responses (bsc#1169659).
  • CVE-2020-8517: Fixed a possible denial of service caused by incorrect buffer management ext_lm_group_acl when processing NTLM Authentication credentials (bsc#1162691).
  • CVE-2019-12528: Fixed possible information disclosure when translating FTP server listings into HTTP responses (bsc#1162689).
  • CVE-2019-18860: Fixed handling of invalid domain names in cachemgr.cgi (bsc#1167373).

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 High Performance Computing 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-1134=1
  • SUSE Linux Enterprise Server 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-1134=1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2020-1134=1

Package List:

  • SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
    • squid-4.11-4.9.1
    • squid-debugsource-4.11-4.9.1
    • squid-debuginfo-4.11-4.9.1
  • SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
    • squid-4.11-4.9.1
    • squid-debugsource-4.11-4.9.1
    • squid-debuginfo-4.11-4.9.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
    • squid-4.11-4.9.1
    • squid-debugsource-4.11-4.9.1
    • squid-debuginfo-4.11-4.9.1

References: