medium
5.3
CWE
908
Advisory Published
Updated

CVE-2019-13117

First published: Mon Jul 01 2019(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
debian/libxslt
1.1.34-4+deb11u1
1.1.35-1
1.1.35-1.1
libxslt=1.1.33
Debian GNU/Linux=8.0
Ubuntu Linux=12.04
Ubuntu Linux=14.04
Ubuntu Linux=16.04
Ubuntu Linux=18.04
Ubuntu Linux=19.04
Ubuntu Linux=19.10
Fedoraproject Fedora=31
openSUSE=15.1
Oracle OpenJDK=8-update231

Remedy

https://gitlab.gnome.org/GNOME/libxslt/commit/c5eb6cf3aba0af048596106ed839b4ae17ecbcb1

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID of this vulnerability?

    The vulnerability ID is CVE-2019-13117.

  • What is the severity level of CVE-2019-13117?

    The severity level of CVE-2019-13117 is medium with a CVSS score of 5.3.

  • How does CVE-2019-13117 affect the affected software?

    CVE-2019-13117 affects libxslt 1.1.33 as well as certain versions of Debian Linux, Ubuntu Linux, Fedora, OpenSUSE, and Oracle OpenJDK.

  • What is the potential impact of CVE-2019-13117?

    CVE-2019-13117 could allow an attacker to discern the contents of a byte on the stack, potentially compromising the confidentiality of sensitive information.

  • Where can I find more information about CVE-2019-13117?

    You can find more information about CVE-2019-13117 at the following references: [http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.html](http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.html), [http://www.openwall.com/lists/oss-security/2019/11/17/2](http://www.openwall.com/lists/oss-security/2019/11/17/2), [https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14471](https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14471).

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