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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
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 ↗