Buffer overflow in libxv (Alpine package)

1) Buffer overflow

EUVDB-ID: #VU32237

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-5407

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXv before 1.0.11 allow remote X servers to trigger out-of-bounds memory access operations via vectors involving length specifications in received data.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libxv (Alpine package): 1.0.6-r0 - 1.0.10-r1

CPE2.3

• cpe:2.3:a:alpine:libxv_alpine_package:1.0.6-r0:*:*:*:*:alpine_linux:*:2.1
• cpe:2.3:a:alpine:libxv_alpine_package:1.0.7-r0:*:*:*:*:alpine_linux:*:2.3
• cpe:2.3:a:alpine:libxv_alpine_package:1.0.7-r1:*:*:*:*:alpine_linux:*:2.3

External links

https://git.alpinelinux.org/aports/commit/?id=518828b1c11d1427085dbd4f8b605bc64593347f
https://git.alpinelinux.org/aports/commit/?id=00c0d0b37ed78ec5eb99beb9d464eea9a59595fd
https://git.alpinelinux.org/aports/commit/?id=b2820a7bb79081788581c1c527281642d6341fc2
https://git.alpinelinux.org/aports/commit/?id=ed1503d2efe5cb5899616fd977454712f4edd679

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.