#VU42521 Buffer overflow in libvirt - CVE-2013-4297

Vulnerability identifier: #VU42521

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-4297

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libvirt
Universal components / Libraries / Libraries used by multiple products

Vendor: libvirt.org

Description

The vulnerability allows a remote #AU# to perform service disruption.

The virFileNBDDeviceAssociate function in util/virfile.c in libvirt 1.1.2 and earlier allows remote authenticated users to cause a denial of service (uninitialized pointer dereference and crash) via unspecified vectors.

Mitigation
Install update from vendor's website.

Vulnerable software versions

libvirt: 0.0.1 - 1.1.1

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External links
https://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=2dba0323ff0cec31bdcea9dd3b2428af297401f2
https://secunia.com/advisories/60895
https://security.gentoo.org/glsa/glsa-201412-04.xml
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-4297

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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