#VU33885 Input validation error in libxi - CVE-2013-1984

Vulnerability identifier: #VU33885

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-2013-1984

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libxi
Operating systems & Components / Operating system package or component

Vendor: xorg.freedesktop.org

Description

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

Multiple integer overflows in X.org libXi 1.7.1 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XGetDeviceControl, (2) XGetFeedbackControl, (3) XGetDeviceDontPropagateList, (4) XGetDeviceMotionEvents, (5) XIGetProperty, (6) XIGetSelectedEvents, (7) XGetDeviceProperties, and (8) XListInputDevices functions.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libxi: 1.7.1

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External links
https://lists.fedoraproject.org/pipermail/package-announce/2013-May/106913.html
https://lists.opensuse.org/opensuse-updates/2013-06/msg00161.html
https://www.debian.org/security/2013/dsa-2683
https://www.openwall.com/lists/oss-security/2013/05/23/3
https://www.ubuntu.com/usn/USN-1859-1
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.