#VU21942 Buffer overflow


Published: 2019-10-19

Vulnerability identifier: #VU21942

Vulnerability risk: High

CVSSv3.1:

CVE-ID: CVE-2019-18197

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libxslt
Universal components / Libraries / Libraries used by multiple products

Vendor: Gnome Development Team

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the xsltCopyText() function in transform.c in libxslt. A remote attacker can create a specially crafted XML document, pass it to the affected application, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

libxslt: 1.1.33


CPE

External links
http://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15746
http://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15768
http://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15914
http://gitlab.gnome.org/GNOME/libxslt/commit/2232473733b7313d67de8836ea3b29eec6e8e285


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability