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Red Hat Enterprise Linux 8 RHSA-2020-4464 Moderate: libxslt Update

red hat
Calendar Grey November 4, 2020
Dist Redhat Esm H88
RHSA-2021-3456 presents a significant libxml2 enhancement for Red Hat 9 remedies manipulated link and data leakage security flaws.
An update for libxslt is now available for Red Hat Enterprise Linux 8

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

libxslt is a library for transforming XML files into other textual formats (including HTML, plain text, and other XML representations of the underlying data) using the standard XSLT stylesheet transformation mechanism.
Security Fix(es):
* libxslt: xsltCheckRead and xsltCheckWrite routines security bypass by crafted URL (CVE-2019-11068)
* libxslt: use after free in xsltCopyText in transform.c could lead to information disclosure (CVE-2019-18197)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate security update red hat information disclosure libxslt crafted URL

References

https://access.redhat.com/security/cve/CVE-2019-11068 https://access.redhat.com/security/cve/CVE-2019-18197 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.3_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
aarch64: libxslt-debuginfo-1.1.32-5.el8.aarch64.rpm libxslt-debugsource-1.1.32-5.el8.aarch64.rpm libxslt-devel-1.1.32-5.el8.aarch64.rpm
ppc64le: libxslt-debuginfo-1.1.32-5.el8.ppc64le.rpm libxslt-debugsource-1.1.32-5.el8.ppc64le.rpm libxslt-devel-1.1.32-5.el8.ppc64le.rpm
s390x: libxslt-debuginfo-1.1.32-5.el8.s390x.rpm libxslt-debugsource-1.1.32-5.el8.s390x.rpm libxslt-devel-1.1.32-5.el8.s390x.rpm
x86_64: libxslt-debuginfo-1.1.32-5.el8.i686.rpm libxslt-debuginfo-1.1.32-5.el8.x86_64.rpm libxslt-debugsource-1.1.32-5.el8.i686.rpm libxslt-debugsource-1.1.32-5.el8.x86_64.rpm libxslt-devel-1.1.32-5.el8.i686.rpm libxslt-devel-1.1.32-5.el8.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source: libxslt-1.1.32-5.el8.src.rpm
aarch64: libxslt-1.1.32-5.el8.aarch64.rpm libxslt-debuginfo-1.1.32-5.el8.aarch64.rpm libxslt-debugsource-1.1.32-5.el8.aarch64.rpm
ppc64le: libxslt-1.1.32-5.el8.ppc64le.rpm libxslt-debuginfo-1.1.32-5.el8.ppc64le.rpm libxslt-debugsource-1.1.32-5.el8.ppc64le.rpm
s390x: libxslt-1.1.32-5.el8.s390x.rpm libxslt-debuginfo-1.1.32-5.el8.s390x.rpm libxslt-debugsource-1.1.32-5.el8.s390x.rpm
x86_64: libxslt-1.1.32-5.el8.i686.rpm libxslt-1.1.32-5.el8.x86_64.rpm libxslt-debuginfo-1.1.32-5.el8.i686.rpm

Read the Full Advisory


Advisory ID: RHSA-2020:4464-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4464
Issue date: 2020-11-03

Topic

An update for libxslt is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate security update red hat information disclosure libxslt crafted URL

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1709697 - CVE-2019-11068 libxslt: xsltCheckRead and xsltCheckWrite routines security bypass by crafted URL

1770768 - CVE-2019-18197 libxslt: use after free in xsltCopyText in transform.c could lead to information disclosure

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