Security update for squid

Announcement ID: SUSE-SU-2020:0493-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • 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-2020-8449 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE-2020-8450 ( SUSE ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  • CVE-2020-8450 ( NVD ): 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  • 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 SP1
  • SUSE Linux Enterprise Real Time 15 SP1
  • SUSE Linux Enterprise Server 15 SP1
  • SUSE Linux Enterprise Server 15 SP1 Business Critical Linux 15-SP1
  • 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 four vulnerabilities can now be installed.

Description:

This update for squid to version 4.10 fixes the following issues:

Security issues fixed:

  • CVE-2019-12528: Fixed an information disclosure flaw in the FTP gateway (bsc#1162689).
  • CVE-2020-8449: Fixed a buffer overflow when squid is acting as reverse-proxy (bsc#1162687).
  • CVE-2020-8450: Fixed a buffer overflow when squid is acting as reverse-proxy (bsc#1162687).
  • CVE-2020-8517: Fixed a buffer overflow in ext_lm_group_acl when processing NTLM Authentication credentials (bsc#1162691).

Non-security issue fixed:

  • Improved cache handling with chunked responses.

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-SP1-2020-493=1

Package List:

  • Server Applications Module 15-SP1 (aarch64 ppc64le s390x x86_64)
    • squid-debuginfo-4.10-5.14.1
    • squid-debugsource-4.10-5.14.1
    • squid-4.10-5.14.1

References: