Buffer overflow in libvirt (Alpine package)

1) Buffer overflow

EUVDB-ID: #VU32593

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-2013-4296

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The remoteDispatchDomainMemoryStats function in daemon/remote.c in libvirt 0.9.1 through 0.10.1.x, 0.10.2.x before 0.10.2.8, 1.0.x before 1.0.5.6, and 1.1.x before 1.1.2 allows remote authenticated users to cause a denial of service (uninitialized pointer dereference and crash) via a crafted RPC call.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libvirt (Alpine package): 1.0.5-r1

CPE2.3

• cpe:2.3:o:alpine:libvirt_alpine_package:1.0.5-r1:*:*:*:*:alpine_linux:*:2.6

External links

https://git.alpinelinux.org/aports/commit/?id=f2acbea27a322dfb0383838bcc58c5d16dbf609c

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.