Vulnerability Description
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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xmlsoft | Libxslt | 1.1.33 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 12.04 |
| Fedoraproject | Fedora | 31 |
| Opensuse | Leap | 15.1 |
| Oracle | Openjdk | 8 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2019/11/17/2Mailing ListThird Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14471Issue TrackingMailing ListThird Party Advisory
- https://gitlab.gnome.org/GNOME/libxslt/commit/c5eb6cf3aba0af048596106ed839b4ae17PatchThird Party Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e3
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8
- https://lists.debian.org/debian-lts-announce/2019/07/msg00020.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://oss-fuzz.com/testcase-detail/5631739747106816Permissions Required
- https://security.netapp.com/advisory/ntap-20190806-0004/Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200122-0003/Third Party Advisory
- https://usn.ubuntu.com/4164-1/Third Party Advisory
- https://www.oracle.com/security-alerts/cpujan2020.htmlThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2019/11/17/2Mailing ListThird Party Advisory
FAQ
What is CVE-2019-13117?
CVE-2019-13117 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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...
How severe is CVE-2019-13117?
CVE-2019-13117 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-13117?
Check the references section above for vendor advisories and patch information. Affected products include: Xmlsoft Libxslt, Debian Debian Linux, Canonical Ubuntu Linux, Fedoraproject Fedora, Opensuse Leap.