Input validation error in libxres (Alpine package)

1) Input validation error

EUVDB-ID: #VU33890

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-2013-1988

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

Multiple integer overflows in X.org libXRes 1.0.6 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XResQueryClients and (2) XResQueryClientResources functions.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libxres (Alpine package): 1.0.5-r2 - 1.0.6-r0

libxv (Alpine package): 1.0.6-r0 - 1.0.7-r0

CPE2.3

• cpe:2.3:a:alpine:libxres_alpine_package:1.0.5-r2:*:*:*:*:alpine_linux:*:2.3
• cpe:2.3:a:alpine:libxres_alpine_package:1.0.6-r0:*:*:*:*:alpine_linux:*:2.3
• 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

External links

https://git.alpinelinux.org/aports/commit/?id=b262cf6c02f0e15dc88618b6a9e1298ace184057
https://git.alpinelinux.org/aports/commit/?id=2aa2f9343b9ab8ece8f437d58d78cb8324f7a010
https://git.alpinelinux.org/aports/commit/?id=466fbad7bf64a2f19d2d4271a1fe0557da2be23a
https://git.alpinelinux.org/aports/commit/?id=5085262d55a50ebb9f793b40d891cb5727f3ad43

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.