Input validation error in libxtst (Alpine package)

1) Input validation error

EUVDB-ID: #VU33884

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-2013-2063

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

Integer overflow in X.org libXtst 1.2.1 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the XRecordGetContext function.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libxtst (Alpine package): 1.2.0-r0 - 1.2.1-r0

CPE2.3

• cpe:2.3:a:alpine:libxtst_alpine_package:1.2.0-r0:*:*:*:*:alpine_linux:*:2.1
• cpe:2.3:a:alpine:libxtst_alpine_package:1.2.0-r2:*:*:*:*:alpine_linux:*:2.3
• cpe:2.3:a:alpine:libxtst_alpine_package:1.2.1-r0:*:*:*:*:alpine_linux:*:2.3

External links

https://git.alpinelinux.org/aports/commit/?id=93759380147080d8b32e154fab35efc2ed72f517
https://git.alpinelinux.org/aports/commit/?id=1a986b6d1c449347db886c40abc2c7e2d8d2538b
https://git.alpinelinux.org/aports/commit/?id=2f5911458fe8d62dab1d3f01e2140015ee63829a
https://git.alpinelinux.org/aports/commit/?id=ca33affea49de655ea0a1aa27accea11f84df7c1

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.