Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xmlsoft | Libxslt | 1.1.33 |
| Linux | Linux Kernel | - |
| Canonical | Ubuntu Linux | 12.04 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
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/2019/11/17/2Mailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0514
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15746Issue TrackingThird Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15768Issue TrackingThird Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15914Issue TrackingThird Party Advisory
- https://gitlab.gnome.org/GNOME/libxslt/commit/2232473733b7313d67de8836ea3b29eec6PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00037.htmlThird Party Advisory
- https://security.netapp.com/advisory/ntap-20191031-0004/Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200416-0004/
- https://usn.ubuntu.com/4164-1/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2020.html
FAQ
What is CVE-2019-18197?
CVE-2019-18197 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 che...
How severe is CVE-2019-18197?
CVE-2019-18197 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-18197?
Check the references section above for vendor advisories and patch information. Affected products include: Xmlsoft Libxslt, Linux Linux Kernel, Canonical Ubuntu Linux, Debian Debian Linux.