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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Low: patch security and bug fix update
Advisory ID:       RHSA-2019:2033-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:2033
Issue date:        2019-08-06
CVE Names:         CVE-2016-10713 CVE-2018-6952 
=====================================================================

1. Summary:

An update for patch is now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact
of Low. 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 Client (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - 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: Out-of-bounds access in pch_write_line function in pch.c
(CVE-2016-10713)

* patch: Double free of memory in pch.c:another_hunk() causes a crash
(CVE-2018-6952)

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 7.7 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/):

1545053 - CVE-2018-6952 patch: Double free of memory in pch.c:another_hunk()
 causes a crash
1545405 - CVE-2016-10713 patch: Out-of-bounds access in pch_write_line function
 in pch.c
1626473 - rpmbuild doesn't honor "new file mode 100755" when
 applying patches
1653294 - patch: Gnulib bundled but no bundled(gnulib) provides

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
patch-2.7.1-11.el7.src.rpm

x86_64:
patch-2.7.1-11.el7.x86_64.rpm
patch-debuginfo-2.7.1-11.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
patch-2.7.1-11.el7.src.rpm

x86_64:
patch-2.7.1-11.el7.x86_64.rpm
patch-debuginfo-2.7.1-11.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
patch-2.7.1-11.el7.src.rpm

ppc64:
patch-2.7.1-11.el7.ppc64.rpm
patch-debuginfo-2.7.1-11.el7.ppc64.rpm

ppc64le:
patch-2.7.1-11.el7.ppc64le.rpm
patch-debuginfo-2.7.1-11.el7.ppc64le.rpm

s390x:
patch-2.7.1-11.el7.s390x.rpm
patch-debuginfo-2.7.1-11.el7.s390x.rpm

x86_64:
patch-2.7.1-11.el7.x86_64.rpm
patch-debuginfo-2.7.1-11.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
patch-2.7.1-11.el7.src.rpm

x86_64:
patch-2.7.1-11.el7.x86_64.rpm
patch-debuginfo-2.7.1-11.el7.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-2016-10713
https://access.redhat.com/security/cve/CVE-2018-6952
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_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 2019 Red Hat, Inc.
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