Buffer overflow in libxslt (Alpine package)

1) Buffer overflow

EUVDB-ID: #VU32281

Risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-1683

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

numbers.c in libxslt before 1.1.29, as used in Google Chrome before 51.0.2704.63, mishandles namespace nodes, which allows remote attackers to cause a denial of service (out-of-bounds heap memory access) or possibly have unspecified other impact via a crafted document.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libxslt (Alpine package): 1.1.27-r0 - 1.1.28-r2

CPE2.3

• cpe:2.3:o:alpine:libxslt_alpine_package:1.1.27-r0:*:*:*:*:alpine_linux:*:2.1
• cpe:2.3:o:alpine:libxslt_alpine_package:1.1.27-r1:*:*:*:*:alpine_linux:*:2.1
• cpe:2.3:o:alpine:libxslt_alpine_package:1.1.28-r0:*:*:*:*:alpine_linux:*:2.2

External links

https://git.alpinelinux.org/aports/commit/?id=53a6471c2f410e8e4449777370a260ea5c42b4fe
https://git.alpinelinux.org/aports/commit/?id=548fc94822fbd33d05658f4a62c677f9dbe34d89
https://git.alpinelinux.org/aports/commit/?id=c0248bf1b9d310e887a00475ef6b722c28540ca5

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.