Information disclosure in libxslt - CVE-2019-13117

 

Information disclosure in libxslt - CVE-2019-13117

Published: July 2, 2019 / Updated: October 19, 2019


Vulnerability identifier: #VU18965
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-13117
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Gnome Development Team
Affected software:
libxslt

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to information disclosure in numbers.c in libxslt library where an xsl:number with certain format strings could lead to a uninitialized read in xsltNumberFormatInsertNumbers. A remote attacker can gain knowledge whether a byte on the stack contains the characters A, a, I, i, or 0, or any other character.


How to mitigate CVE-2019-13117

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

Sources