Use of Externally-Controlled Format String Affecting libxslt package, versions *


Severity

Recommended
low

Based on CentOS security rating.

Threat Intelligence

EPSS
0.36% (73rd percentile)

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  • Snyk IDSNYK-CENTOS7-LIBXSLT-1995343
  • published26 Jul 2021
  • disclosed30 Jun 2019

Introduced: 30 Jun 2019

CVE-2019-13117  (opens in a new tab)
CWE-134  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 libxslt.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libxslt package and not the libxslt package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

In numbers.c in libxslt 1.1.33, an xsl:number with certain format strings could lead to a uninitialized read in xsltNumberFormatInsertNumbers. This could allow an attacker to discern whether a byte on the stack contains the characters A, a, I, i, or 0, or any other character.

CVSS Scores

version 3.1