In numbers.c in libxslt 1.1.33, an xsl:number with certain format...
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://gitlab.gnome.org/GNOME/libxslt/commit/c5eb6cf3aba0af048596106ed839b4ae17ecbcb1
- https://oss-fuzz.com/testcase-detail/5631739747106816
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14471
- https://lists.debian.org/debian-lts-announce/2019/07/msg00020.html
- https://security.netapp.com/advisory/ntap-20190806-0004/
- https://usn.ubuntu.com/4164-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IOYJKXPQCUNBMMQJWYXOR6QRUJZHEDRZ/
- http://www.openwall.com/lists/oss-security/2019/11/17/2
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://security.netapp.com/advisory/ntap-20200122-0003/
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.html
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
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CVSS Vectors
Weaknesses (CWE)
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MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.