Input validation error in libmodplug (Alpine package)

1) Input validation error

EUVDB-ID: #VU33956

Risk: Medium

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2011-2915

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

Off-by-one error in the CSoundFile::ReadAMS2 function in src/load_ams.cpp in libmodplug before 0.8.8.4 allows remote attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via a crafted AMS file with a large number of instruments.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libmodplug (Alpine package): 0.8.8.1-r0 - 0.8.8.3-r0

libvpx (Alpine package): 0.9.5-r0 - 0.9.7_p1-r0

CPE2.3

• cpe:2.3:o:alpine:libmodplug_alpine_package:0.8.8.1-r0:*:*:*:*:alpine_linux:*:2.1
• cpe:2.3:o:alpine:libmodplug_alpine_package:0.8.8.1-r1:*:*:*:*:alpine_linux:*:2.1
• cpe:2.3:o:alpine:libmodplug_alpine_package:0.8.8.3-r0:*:*:*:*:alpine_linux:*:2.3
• cpe:2.3:o:alpine:libvpx_alpine_package:0.9.5-r0:*:*:*:*:alpine_linux:*:2.1
• cpe:2.3:o:alpine:libvpx_alpine_package:0.9.6-r1:*:*:*:*:alpine_linux:*:2.1
• cpe:2.3:o:alpine:libvpx_alpine_package:0.9.7_p1-r0:*:*:*:*:alpine_linux:*:2.3

External links

https://git.alpinelinux.org/aports/commit/?id=a9ef511c9fff4837705dc15f48872198a7695388
https://git.alpinelinux.org/aports/commit/?id=f040195474ff46ee96234a1665e67c865fbf4f18
https://git.alpinelinux.org/aports/commit/?id=e500031b7e33e81a58b7281ae7266ebd88a7726c

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.