A vulnerability, which was classified as problematic, was found in Clutter up to 1.16.1. This affects an unknown code block of the component Gesture Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The gesture handling code in Clutter before 1.16.2 allows physically proximate attackers to bypass the lock screen via certain (1) mouse or (2) touch gestures.

The weakness was released 08/12/2015 (Website). The advisory is shared at git.gnome.org. This vulnerability is uniquely identified as CVE-2015-3213 since 04/10/2015. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 85046 (CentOS 7 : clutter (CESA-2015:1510)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123839 (CentOS Security Update for clutter Security Update (CESA-2015:1510)).

Upgrading to version 1.16.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (85046).

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• Clutter

Version

• 1.16.0
• 1.16.1

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