Vulnerability Details CVE-2019-18197
In xsltCopyText in transform.c in libxslt 1.1.33, a pointer variable isn't reset under certain circumstances. If the relevant memory area happened to be freed and reused in a certain way, a bounds check could fail and memory outside a buffer could be written to, or uninitialized data could be disclosed.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.015
EPSS Ranking 79.9%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.1
References
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.html
- http://www.openwall.com/lists/oss-security/2019/11/17/2
- https://access.redhat.com/errata/RHSA-2020:0514
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15746
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15768
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15914
- https://gitlab.gnome.org/GNOME/libxslt/commit/2232473733b7313d67de8836ea3b29eec6e8e285
- https://lists.debian.org/debian-lts-announce/2019/10/msg00037.html
- https://security.netapp.com/advisory/ntap-20191031-0004/
- https://security.netapp.com/advisory/ntap-20200416-0004/
- https://usn.ubuntu.com/4164-1/
- https://www.oracle.com/security-alerts/cpuapr2020.html
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00062.html
- http://www.openwall.com/lists/oss-security/2019/11/17/2
- https://access.redhat.com/errata/RHSA-2020:0514
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15746
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15768
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15914
- https://gitlab.gnome.org/GNOME/libxslt/commit/2232473733b7313d67de8836ea3b29eec6e8e285
- https://lists.debian.org/debian-lts-announce/2019/10/msg00037.html
- https://security.netapp.com/advisory/ntap-20191031-0004/
- https://security.netapp.com/advisory/ntap-20200416-0004/
- https://usn.ubuntu.com/4164-1/
- https://www.oracle.com/security-alerts/cpuapr2020.html
Products affected by CVE-2019-18197
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cpe:2.3:a:xmlsoft:libxslt:1.1.33
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cpe:2.3:o:canonical:ubuntu_linux:12.04
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cpe:2.3:o:canonical:ubuntu_linux:14.04
-
cpe:2.3:o:canonical:ubuntu_linux:16.04
-
cpe:2.3:o:canonical:ubuntu_linux:18.04
-
cpe:2.3:o:canonical:ubuntu_linux:19.04
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cpe:2.3:o:canonical:ubuntu_linux:19.10
-
cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:linux:linux_kernel:-