Security update for webkit2gtk3

SUSE Security Update: Security update for webkit2gtk3
Announcement ID: SUSE-SU-2019:0497-1
Rating: moderate
References: #1119553 #1119554 #1119555 #1119556 #1119557 #1119558
Cross-References: CVE-2018-4437 CVE-2018-4438 CVE-2018-4441 CVE-2018-4442 CVE-2018-4443 CVE-2018-4464 CVE-2019-6212 CVE-2019-6215 CVE-2019-6216 CVE-2019-6217 CVE-2019-6226 CVE-2019-6227 CVE-2019-6229 CVE-2019-6233 CVE-2019-6234
Affected Products:
  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15
  • SUSE Linux Enterprise Module for Desktop Applications 15
  • SUSE Linux Enterprise Module for Basesystem 15

An update that fixes 15 vulnerabilities is now available.

Description:

This update for webkit2gtk3 to version 2.22.6 fixes the following issues (boo#1124937 boo#1119558):
Security vulnerabilities fixed:

  • CVE-2018-4437: Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling. (boo#1119553)
  • CVE-2018-4438: Processing maliciously crafted web content may lead to arbitrary code execution. A logic issue existed resulting in memory corruption. This was addressed with improved state management. (boo#1119554)
  • CVE-2018-4441: Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling. (boo#1119555)
  • CVE-2018-4442: Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling. (boo#1119556)
  • CVE-2018-4443: Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling. (boo#1119557)
  • CVE-2018-4464: Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling. (boo#1119558)
  • CVE-2019-6212: Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.
  • CVE-2019-6215: Processing maliciously crafted web content may lead to arbitrary code execution. A type confusion issue was addressed with improved memory handling.
  • CVE-2019-6216: Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.
  • CVE-2019-6217: Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.
  • CVE-2019-6226: Processing maliciously crafted web content may lead to arbitrary code execution. Multiple memory corruption issues were addressed with improved memory handling.
  • CVE-2019-6227: Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling.
  • CVE-2019-6229: Processing maliciously crafted web content may lead to universal cross site scripting. A logic issue was addressed with improved validation.
  • CVE-2019-6233: Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling.
  • CVE-2019-6234: Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling.

Other bug fixes and changes:
  • Make kinetic scrolling slow down smoothly when reaching the ends of pages, instead of abruptly, to better match the GTK+ behaviour.
  • Fix Web inspector magnifier under Wayland.
  • Fix garbled rendering of some websites (e.g. YouTube) while scrolling under X11.
  • Fix several crashes, race conditions, and rendering issues.

For a detailed list of changes, please refer to:
  • https://webkitgtk.org/security/WSA-2019-0001.html
  • https://webkitgtk.org/2019/02/09/webkitgtk2.22.6-released.html
  • https://webkitgtk.org/security/WSA-2018-0009.html
  • https://webkitgtk.org/2018/12/13/webkitgtk2.22.5-released.html

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 Module for Open Buildservice Development Tools 15:
    zypper in -t patch SUSE-SLE-Module-Development-Tools-OBS-15-2019-497=1
  • SUSE Linux Enterprise Module for Desktop Applications 15:
    zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-2019-497=1
  • SUSE Linux Enterprise Module for Basesystem 15:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-2019-497=1

Package List:

  • SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 (aarch64 ppc64le s390x x86_64):
    • webkit-jsc-4-2.22.6-3.18.2
    • webkit-jsc-4-debuginfo-2.22.6-3.18.2
    • webkit2gtk3-debugsource-2.22.6-3.18.2
  • SUSE Linux Enterprise Module for Desktop Applications 15 (aarch64 ppc64le s390x x86_64):
    • typelib-1_0-JavaScriptCore-4_0-2.22.6-3.18.2
    • typelib-1_0-WebKit2-4_0-2.22.6-3.18.2
    • typelib-1_0-WebKit2WebExtension-4_0-2.22.6-3.18.2
    • webkit2gtk3-debugsource-2.22.6-3.18.2
    • webkit2gtk3-devel-2.22.6-3.18.2
  • SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x x86_64):
    • libjavascriptcoregtk-4_0-18-2.22.6-3.18.2
    • libjavascriptcoregtk-4_0-18-debuginfo-2.22.6-3.18.2
    • libwebkit2gtk-4_0-37-2.22.6-3.18.2
    • libwebkit2gtk-4_0-37-debuginfo-2.22.6-3.18.2
    • webkit2gtk-4_0-injected-bundles-2.22.6-3.18.2
    • webkit2gtk-4_0-injected-bundles-debuginfo-2.22.6-3.18.2
    • webkit2gtk3-debugsource-2.22.6-3.18.2
  • SUSE Linux Enterprise Module for Basesystem 15 (noarch):
    • libwebkit2gtk3-lang-2.22.6-3.18.2

References: