#VU32668 Buffer overflow in xcmsdb - CVE-2013-2005

Vulnerability identifier: #VU32668

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2013-2005

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
xcmsdb
Other software / Other software solutions

Vendor: xorg.freedesktop.org

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

X.org libXt 1.1.3 and earlier does not check the return value of the XGetWindowProperty function, which allows X servers to trigger use of an uninitialized pointer and memory corruption via vectors related to the (1) ReqCleanup, (2) HandleSelectionEvents, (3) ReqTimedOut, (4) HandleNormal, and (5) HandleSelectionReplies functions.

Mitigation
Install update from vendor's website.

Vulnerable software versions

xcmsdb: 1.1.0 - 1.1.3

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External links
https://lists.fedoraproject.org/pipermail/package-announce/2013-May/106785.html
https://lists.opensuse.org/opensuse-updates/2013-06/msg00138.html
https://www.debian.org/security/2013/dsa-2680
https://www.openwall.com/lists/oss-security/2013/05/23/3
https://www.securityfocus.com/bid/60133
https://www.ubuntu.com/usn/USN-1865-1
https://www.x.org/wiki/Development/Security/Advisory-2013-05-23

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.