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Red Hat Security Advisory 2020-1852-01

Red Hat Security Advisory 2020-1852-01
Posted Apr 28, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1852-01 - The patch program applies diff files to originals. The diff command is used to compare an original to a changed file. Diff lists the changes made to the file. A person who has the original file can then use the patch command with the diff file to add the changes to their original file.

tags | advisory
systems | linux, redhat
advisories | CVE-2019-13636
SHA-256 | 2d80137633d314ee426cbb60738dbb714b12e2a48956ae50eb34bc05ea204a28

Red Hat Security Advisory 2020-1852-01

Change Mirror Download
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====================================================================
Red Hat Security Advisory

Synopsis: Moderate: patch security and bug fix update
Advisory ID: RHSA-2020:1852-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1852
Issue date: 2020-04-28
CVE Names: CVE-2019-13636
====================================================================
1. Summary:

An update for patch is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

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

3. Description:

The patch program applies diff files to originals. The diff command is used
to compare an original to a changed file. Diff lists the changes made to
the file. A person who has the original file can then use the patch command
with the diff file to add the changes to their original file (patching the
file).

Security Fix(es):

* patch: the following of symlinks in inp.c and util.c is mishandled in
cases other than input files (CVE-2019-13636)

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 8.2 Release Notes linked from the References section.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

1732781 - CVE-2019-13636 patch: the following of symlinks in inp.c and util.c is mishandled in cases other than input files

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
patch-2.7.6-11.el8.src.rpm

aarch64:
patch-2.7.6-11.el8.aarch64.rpm
patch-debuginfo-2.7.6-11.el8.aarch64.rpm
patch-debugsource-2.7.6-11.el8.aarch64.rpm

ppc64le:
patch-2.7.6-11.el8.ppc64le.rpm
patch-debuginfo-2.7.6-11.el8.ppc64le.rpm
patch-debugsource-2.7.6-11.el8.ppc64le.rpm

s390x:
patch-2.7.6-11.el8.s390x.rpm
patch-debuginfo-2.7.6-11.el8.s390x.rpm
patch-debugsource-2.7.6-11.el8.s390x.rpm

x86_64:
patch-2.7.6-11.el8.x86_64.rpm
patch-debuginfo-2.7.6-11.el8.x86_64.rpm
patch-debugsource-2.7.6-11.el8.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2019-13636
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.2_release_notes/index

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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