Security update for webkit2gtk3

SUSE Security Update: Security update for webkit2gtk3
Announcement ID: SUSE-SU-2018:2752-1
Rating: moderate
References: #1101999 #1104169
Cross-References: CVE-2018-12911 CVE-2018-4261 CVE-2018-4262 CVE-2018-4263 CVE-2018-4264 CVE-2018-4265 CVE-2018-4266 CVE-2018-4267 CVE-2018-4270 CVE-2018-4271 CVE-2018-4272 CVE-2018-4273 CVE-2018-4278 CVE-2018-4284
Affected Products:
  • SUSE Linux Enterprise Module for Desktop Applications 15
  • SUSE Linux Enterprise Module for Basesystem 15

An update that fixes 14 vulnerabilities is now available.

Description:

This update for webkit2gtk3 to version 2.20.5 fixes the following issues:
Security issue fixed:

  • CVE-2018-12911: Fix off-by-one in xdg_mime_get_simple_globs (bsc#1101999).
  • CVE-2018-4261, CVE-2018-4262, CVE-2018-4263, CVE-2018-4264, CVE-2018-4265, CVE-2018-4267, CVE-2018-4272, CVE-2018-4284: Processing maliciously crafted web content may lead to arbitrary code execution. A memory corruption issue was addressed with improved memory handling.
  • CVE-2018-4266: A malicious website may be able to cause a denial of service. A race condition was addressed with additional validation.
  • CVE-2018-4270, CVE-2018-4271, CVE-2018-4273: Processing maliciously crafted web content may lead to an unexpected application crash. A memory corruption issue was addressed with improved input validation.
  • CVE-2018-4278: A malicious website may exfiltrate audio data cross-origin. Sound fetched through audio elements may be exfiltrated cross-origin. This issue was addressed with improved audio taint tracking.

Other bugs fixed:
  • Fix rendering artifacts in some web sites due to a bug introduced in 2.20.4.
  • Fix a crash when leaving accelerated compositing mode.
  • Fix non-deterministic build failure due to missing JavaScriptCore/JSContextRef.h.

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 Desktop Applications 15:
    zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-2018-1921=1
  • SUSE Linux Enterprise Module for Basesystem 15:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-2018-1921=1

Package List:

  • SUSE Linux Enterprise Module for Desktop Applications 15 (aarch64 ppc64le s390x x86_64):
    • typelib-1_0-JavaScriptCore-4_0-2.20.5-3.8.1
    • typelib-1_0-WebKit2-4_0-2.20.5-3.8.1
    • typelib-1_0-WebKit2WebExtension-4_0-2.20.5-3.8.1
    • webkit2gtk3-debugsource-2.20.5-3.8.1
    • webkit2gtk3-devel-2.20.5-3.8.1
  • SUSE Linux Enterprise Module for Basesystem 15 (aarch64 ppc64le s390x x86_64):
    • libjavascriptcoregtk-4_0-18-2.20.5-3.8.1
    • libjavascriptcoregtk-4_0-18-debuginfo-2.20.5-3.8.1
    • libwebkit2gtk-4_0-37-2.20.5-3.8.1
    • libwebkit2gtk-4_0-37-debuginfo-2.20.5-3.8.1
    • webkit2gtk-4_0-injected-bundles-2.20.5-3.8.1
    • webkit2gtk-4_0-injected-bundles-debuginfo-2.20.5-3.8.1
    • webkit2gtk3-debugsource-2.20.5-3.8.1
  • SUSE Linux Enterprise Module for Basesystem 15 (noarch):
    • libwebkit2gtk3-lang-2.20.5-3.8.1

References: