Use After Free Affecting webkit2gtk package, versions <2.20.2-1
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.81% (82nd
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN10-WEBKIT2GTK-388823
- published 19 Jun 2018
- disclosed 19 Jun 2018
Introduced: 19 Jun 2018
CVE-2018-12294 Open this link in a new tabHow to fix?
Upgrade Debian:10
webkit2gtk
to version 2.20.2-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream webkit2gtk
package and not the webkit2gtk
package as distributed by Debian
.
See How to fix?
for Debian:10
relevant fixed versions and status.
WebCore/platform/graphics/texmap/TextureMapperLayer.cpp in WebKit, as used in WebKitGTK+ prior to version 2.20.2, is vulnerable to a use after free for a WebCore::TextureMapperLayer object.
References
- https://security-tracker.debian.org/tracker/CVE-2018-12294
- http://www.securityfocus.com/archive/1/542087/100/0/threaded
- https://security.gentoo.org/glsa/201808-04
- http://packetstormsecurity.com/files/148200/WebKitGTK-Data-Leak-Code-Execution.html
- https://bugs.webkit.org/show_bug.cgi?id=184729
- https://trac.webkit.org/changeset/231300/webkit
- http://www.openwall.com/lists/oss-security/2018/06/14/1
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-12294