Security update for squid

Announcement ID:	SUSE-SU-2020:1156-1
Rating:	important
References:	bsc#1162689 bsc#1162691 bsc#1167373 bsc#1169659 bsc#1170313
Cross-References:	CVE-2019-12519 CVE-2019-12521 CVE-2019-12528 CVE-2019-18860 CVE-2020-11945 CVE-2020-8517
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:	Server Applications Module 15-SP1 SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise High Performance Computing 15 LTSS 15 SUSE Linux Enterprise High Performance Computing 15 SP1 SUSE Linux Enterprise Real Time 15 SP1 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server 15 LTSS 15 SUSE Linux Enterprise Server 15 SP1 SUSE Linux Enterprise Server 15 SP1 Business Critical Linux 15-SP1 SUSE Linux Enterprise Server ESPOS 15 SUSE Linux Enterprise Server for SAP Applications 15 SUSE Linux Enterprise Server for SAP Applications 15 SP1 SUSE Manager Proxy 4.0 SUSE Manager Retail Branch Server 4.0 SUSE Manager Server 4.0

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:

• Server Applications Module 15-SP1
  zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP1-2020-1156=1
• SUSE Linux Enterprise Server ESPOS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2020-1156=1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2020-1156=1
• SUSE Linux Enterprise Server 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-SLES-15-2020-1156=1
• SUSE Linux Enterprise Server for SAP Applications 15
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-1156=1

Package List:

• Server Applications Module 15-SP1 (aarch64 ppc64le s390x x86_64)
  • squid-debuginfo-4.11-5.17.2
  • squid-debugsource-4.11-5.17.2
  • squid-4.11-5.17.2
• SUSE Linux Enterprise Server ESPOS 15 (aarch64 x86_64)
  • squid-debuginfo-4.11-5.17.2
  • squid-debugsource-4.11-5.17.2
  • squid-4.11-5.17.2
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (aarch64 x86_64)
  • squid-debuginfo-4.11-5.17.2
  • squid-debugsource-4.11-5.17.2
  • squid-4.11-5.17.2
• SUSE Linux Enterprise Server 15 LTSS 15 (aarch64 ppc64le s390x x86_64)
  • squid-debuginfo-4.11-5.17.2
  • squid-debugsource-4.11-5.17.2
  • squid-4.11-5.17.2
• SUSE Linux Enterprise Server for SAP Applications 15 (ppc64le x86_64)
  • squid-debuginfo-4.11-5.17.2
  • squid-debugsource-4.11-5.17.2
  • squid-4.11-5.17.2

References:

• https://www.suse.com/security/cve/CVE-2019-12519.html
• https://www.suse.com/security/cve/CVE-2019-12521.html
• https://www.suse.com/security/cve/CVE-2019-12528.html
• https://www.suse.com/security/cve/CVE-2019-18860.html
• https://www.suse.com/security/cve/CVE-2020-11945.html
• https://www.suse.com/security/cve/CVE-2020-8517.html
• https://bugzilla.suse.com/show_bug.cgi?id=1162689
• https://bugzilla.suse.com/show_bug.cgi?id=1162691
• https://bugzilla.suse.com/show_bug.cgi?id=1167373
• https://bugzilla.suse.com/show_bug.cgi?id=1169659
• https://bugzilla.suse.com/show_bug.cgi?id=1170313