#VU33273 Buffer overflow in SPICE - CVE-2015-3247

Vulnerability identifier: #VU33273

Vulnerability risk: Low

CVSSv4.0: 6.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2015-3247

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
SPICE
Universal components / Libraries / Software for developers

Vendor: SPICE

Description

The vulnerability allows a local non-authenticated attacker to execute arbitrary code.

Race condition in the worker_update_monitors_config function in SPICE 0.12.4 allows a remote authenticated guest user to cause a denial of service (heap-based memory corruption and QEMU-KVM crash) or possibly execute arbitrary code on the host via unspecified vectors.

Mitigation
Install update from vendor's website.

Vulnerable software versions

SPICE: 0.12.4

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External links
https://lists.freedesktop.org/archives/spice-devel/2015-October/022191.html
https://lists.opensuse.org/opensuse-updates/2015-09/msg00018.html
https://rhn.redhat.com/errata/RHSA-2015-1713.html
https://rhn.redhat.com/errata/RHSA-2015-1714.html
https://rhn.redhat.com/errata/RHSA-2015-1715.html
https://www.debian.org/security/2015/dsa-3354
https://www.securitytracker.com/id/1033459
https://www.securitytracker.com/id/1033460
https://www.securitytracker.com/id/1033753
https://www.ubuntu.com/usn/USN-2736-1

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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