Heap-based buffer overflow in libmms (Alpine package)

1) Heap-based buffer overflow

EUVDB-ID: #VU33091

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-2014-2892

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Heap-based buffer overflow in the get_answer function in mmsh.c in libmms before 0.6.4. A remote attacker can use a long line in an MMS over HTTP to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libmms (Alpine package): 0.6.2-r1

libvirt (Alpine package): 1.0.5.9-r0

CPE2.3

• cpe:2.3:o:alpine:libmms_alpine_package:0.6.2-r1:*:*:*:*:alpine_linux:*:2.4
• cpe:2.3:o:alpine:libvirt_alpine_package:1.0.5.9-r0:*:*:*:*:alpine_linux:*:2.6

External links

https://git.alpinelinux.org/aports/commit/?id=cef8b69227bdb1c0039f8ae6833e72d70b275ad1
https://git.alpinelinux.org/aports/commit/?id=fb608dbe599624f5f4345feaa292ad2c84c165c9

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.