Resource Exhaustion Affecting webkit2gtk package, versions <2.16.1-0ubuntu0.16.10.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1610-WEBKIT2GTK-388182
- published7 Mar 2017
- disclosed7 Mar 2017
Introduced: 7 Mar 2017
CVE-2016-9643 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.10 webkit2gtk to version 2.16.1-0ubuntu0.16.10.1 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 Ubuntu.
See How to fix? for Ubuntu:16.10 relevant fixed versions and status.
The regex code in Webkit 2.4.11 allows remote attackers to cause a denial of service (memory consumption) as demonstrated in a large number of ($ (open parenthesis and dollar) followed by {-2,16} and a large number of +) (plus close parenthesis).
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-9643
- https://security-tracker.debian.org/tracker/CVE-2016-9643
- https://security.gentoo.org/glsa/201706-15
- http://www.openwall.com/lists/oss-security/2016/11/26/2
- http://www.openwall.com/lists/oss-security/2016/11/26/5
- http://www.securityfocus.com/bid/94559
- http://www.securitytracker.com/id/1038137