RedHat: RHSA-2019-3758:01 Important: patch security update
Summary
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: do_ed_script in pch.c does not block strings beginning with a !
character (CVE-2018-20969)
* patch: OS shell command injection when processing crafted patch files
(CVE-2019-13638)
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.
Summary
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
References
https://access.redhat.com/security/cve/CVE-2018-20969 https://access.redhat.com/security/cve/CVE-2019-13638 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6):
Source:
patch-2.7.1-11.el7_6.src.rpm
x86_64:
patch-2.7.1-11.el7_6.x86_64.rpm
patch-debuginfo-2.7.1-11.el7_6.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.6):
Source:
patch-2.7.1-11.el7_6.src.rpm
ppc64:
patch-2.7.1-11.el7_6.ppc64.rpm
patch-debuginfo-2.7.1-11.el7_6.ppc64.rpm
ppc64le:
patch-2.7.1-11.el7_6.ppc64le.rpm
patch-debuginfo-2.7.1-11.el7_6.ppc64le.rpm
s390x:
patch-2.7.1-11.el7_6.s390x.rpm
patch-debuginfo-2.7.1-11.el7_6.s390x.rpm
x86_64:
patch-2.7.1-11.el7_6.x86_64.rpm
patch-debuginfo-2.7.1-11.el7_6.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/
Topic
An update for patch is now available for Red Hat Enterprise Linux 7.6 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Important. 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.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) - x86_64
Red Hat Enterprise Linux Server EUS (v. 7.6) - ppc64, ppc64le, s390x, x86_64
Bugs Fixed
1733916 - CVE-2019-13638 patch: OS shell command injection when processing crafted patch files
1746672 - CVE-2018-20969 patch: do_ed_script in pch.c does not block strings beginning with a ! character
