#VU41163 Code Injection in QEMU - CVE-2013-4151

Vulnerability identifier: #VU41163

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-2013-4151

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
QEMU
Client/Desktop applications / Virtualization software

Vendor: QEMU

Description

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

The virtio_load function in virtio/virtio.c in QEMU 1.x before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image, which triggers an out-of-bounds write.

Mitigation
Install update from vendor's website.

Vulnerable software versions

QEMU: 1.0 - 1.7.1

---

External links
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=cc45995294b92d95319b4782750a3580cabdbc0c
https://lists.fedoraproject.org/pipermail/package-announce/2014-May/133345.html
https://lists.nongnu.org/archive/html/qemu-stable/2014-07/msg00187.html
https://rhn.redhat.com/errata/RHSA-2014-0743.html
https://rhn.redhat.com/errata/RHSA-2014-0744.html

---

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.