CVE-2019-18197 Detail

Current 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.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.5 HIGH
Vector:  CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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 Mailing List  Third Party Advisory 
https://access.redhat.com/errata/RHSA-2020:0514
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15746 Issue Tracking  Third Party Advisory 
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15768 Issue Tracking  Third Party Advisory 
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15914 Issue Tracking  Third Party Advisory 
https://gitlab.gnome.org/GNOME/libxslt/commit/2232473733b7313d67de8836ea3b29eec6e8e285 Patch  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2019/10/msg00037.html Third 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

Weakness Enumeration

CWE-ID CWE Name Source
CWE-908 Use of Uninitialized Resource cwe source acceptance level NIST  
CWE-416 Use After Free cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

14 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-18197
NVD Published Date:
10/18/2019
NVD Last Modified:
08/24/2020
Source:
MITRE