Resource management error in libxslt (Alpine package)

1) Resource management error

EUVDB-ID: #VU33319

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-2870

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

libxslt 1.1.26 and earlier, as used in Google Chrome before 21.0.1180.89, does not properly manage memory, which might allow remote attackers to cause a denial of service (application crash) via a crafted XSLT expression that is not properly identified during XPath navigation, related to (1) the xsltCompileLocationPathPattern function in libxslt/pattern.c and (2) the xsltGenerateIdFunction function in libxslt/functions.c.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libxslt (Alpine package): 1.1.26-r4 - 1.1.26-r9

CPE2.3

• cpe:2.3:o:alpine:libxslt_alpine_package:1.1.26-r4:*:*:*:*:alpine_linux:*:2.0
• cpe:2.3:o:alpine:libxslt_alpine_package:1.1.26-r6:*:*:*:*:alpine_linux:*:2.1
• cpe:2.3:o:alpine:libxslt_alpine_package:1.1.26-r8:*:*:*:*:alpine_linux:*:2.3

External links

https://git.alpinelinux.org/aports/commit/?id=47839cd4e827769eaf6eb6e8dc2373bf0d99485c
https://git.alpinelinux.org/aports/commit/?id=3eef319c9ad8974464c6b32408a80abcdd5cf840
https://git.alpinelinux.org/aports/commit/?id=4cbce826cb8b9178d785e58416c26fb2f2ed6a4a
https://git.alpinelinux.org/aports/commit/?id=ef8a943266f3a07a6846a678542099fd9d83d86a

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.