Security update for libpng16

Announcement ID: SUSE-SU-2019:1398-2
Rating: low
References:
Cross-References:
CVSS scores:
  • CVE-2018-13785 ( SUSE ): 3.3 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
  • CVE-2018-13785 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2018-13785 ( NVD ): 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2019-7317 ( SUSE ): 5.5 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2019-7317 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE-2019-7317 ( NVD ): 5.3 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products:
  • Basesystem Module 15-SP1
  • SUSE Linux Enterprise Desktop 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 two vulnerabilities and has one security fix can now be installed.

Description:

This update for libpng16 fixes the following issues:

Security issues fixed:

  • CVE-2019-7317: Fixed a use-after-free vulnerability, triggered when png_image_free() was called under png_safe_execute (bsc#1124211).
  • CVE-2018-13785: Fixed a wrong calculation of row_factor in the png_check_chunk_length function in pngrutil.c, which could haved triggered and integer overflow and result in an divide-by-zero while processing a crafted PNG file, leading to a denial of service (bsc#1100687)

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:

  • Basesystem Module 15-SP1
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2019-1398=1

Package List:

  • Basesystem Module 15-SP1 (aarch64 ppc64le s390x x86_64)
    • libpng16-16-debuginfo-1.6.34-3.9.1
    • libpng16-compat-devel-1.6.34-3.9.1
    • libpng16-16-1.6.34-3.9.1
    • libpng16-debugsource-1.6.34-3.9.1
    • libpng16-devel-1.6.34-3.9.1
  • Basesystem Module 15-SP1 (x86_64)
    • libpng16-16-32bit-1.6.34-3.9.1
    • libpng16-16-32bit-debuginfo-1.6.34-3.9.1

References: