Synopsis

Important: patch security update

Type/Severity

Security Advisory: Important

Topic

An update for patch is now available for Red Hat Enterprise Linux 6.

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.

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).

Patch should be installed because it is a common way of upgrading applications.

Security Fix(es):

• patch: Malicious patch files cause ed to execute arbitrary commands (CVE-2018-1000156)
  

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

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

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64

Fixes

• BZ - 1564326 - CVE-2018-1000156 patch: Malicious patch files cause ed to execute arbitrary commands

CVEs

• CVE-2018-1000156

References

• https://access.redhat.com/security/updates/classification/#important

Red Hat Enterprise Linux Server 6

SRPM
patch-2.6-8.el6_9.src.rpm	SHA-256: 0c18728d94ae446c9a39d7c46b82a31ef48837cbc23e64152aa202a33d57b44d
x86_64
patch-2.6-8.el6_9.x86_64.rpm	SHA-256: 50180729633ab6256397804a6cf79379ece4e9d30fd1db7de40ed9f672bc3586
patch-debuginfo-2.6-8.el6_9.x86_64.rpm	SHA-256: 89e67c53469068df090975357926f9c4b7b17bb8e0ab435a0cb61a5310e674c6
i386
patch-2.6-8.el6_9.i686.rpm	SHA-256: ef80169efc425120b12afa391fab336c55b775bd7d44354161134228ff3be1bc
patch-debuginfo-2.6-8.el6_9.i686.rpm	SHA-256: 0fdf8f9e039e6e6a1193ada5e5efff6a15fed36d8ade49d67ee6ab09f5816a77

Red Hat Enterprise Linux Workstation 6

SRPM
patch-2.6-8.el6_9.src.rpm	SHA-256: 0c18728d94ae446c9a39d7c46b82a31ef48837cbc23e64152aa202a33d57b44d
x86_64
patch-2.6-8.el6_9.x86_64.rpm	SHA-256: 50180729633ab6256397804a6cf79379ece4e9d30fd1db7de40ed9f672bc3586
patch-debuginfo-2.6-8.el6_9.x86_64.rpm	SHA-256: 89e67c53469068df090975357926f9c4b7b17bb8e0ab435a0cb61a5310e674c6
i386
patch-2.6-8.el6_9.i686.rpm	SHA-256: ef80169efc425120b12afa391fab336c55b775bd7d44354161134228ff3be1bc
patch-debuginfo-2.6-8.el6_9.i686.rpm	SHA-256: 0fdf8f9e039e6e6a1193ada5e5efff6a15fed36d8ade49d67ee6ab09f5816a77

Red Hat Enterprise Linux Desktop 6

SRPM
patch-2.6-8.el6_9.src.rpm	SHA-256: 0c18728d94ae446c9a39d7c46b82a31ef48837cbc23e64152aa202a33d57b44d
x86_64
patch-2.6-8.el6_9.x86_64.rpm	SHA-256: 50180729633ab6256397804a6cf79379ece4e9d30fd1db7de40ed9f672bc3586
patch-debuginfo-2.6-8.el6_9.x86_64.rpm	SHA-256: 89e67c53469068df090975357926f9c4b7b17bb8e0ab435a0cb61a5310e674c6
i386
patch-2.6-8.el6_9.i686.rpm	SHA-256: ef80169efc425120b12afa391fab336c55b775bd7d44354161134228ff3be1bc
patch-debuginfo-2.6-8.el6_9.i686.rpm	SHA-256: 0fdf8f9e039e6e6a1193ada5e5efff6a15fed36d8ade49d67ee6ab09f5816a77

Red Hat Enterprise Linux for IBM z Systems 6

SRPM
patch-2.6-8.el6_9.src.rpm	SHA-256: 0c18728d94ae446c9a39d7c46b82a31ef48837cbc23e64152aa202a33d57b44d
s390x
patch-2.6-8.el6_9.s390x.rpm	SHA-256: f7feee5d0e8d860be170829f230357ceafdc75064566abb5f396a226d207e850
patch-debuginfo-2.6-8.el6_9.s390x.rpm	SHA-256: b802918d8ad66b1dca06ea36ab61910b9e1ed1a221d0019b7cd9343023d2b190

Red Hat Enterprise Linux for Power, big endian 6

SRPM
patch-2.6-8.el6_9.src.rpm	SHA-256: 0c18728d94ae446c9a39d7c46b82a31ef48837cbc23e64152aa202a33d57b44d
ppc64
patch-2.6-8.el6_9.ppc64.rpm	SHA-256: c3a349cacdc31b3d9eaeaf14bad64d03698e6b059db4d7b6a7224160c485649c
patch-debuginfo-2.6-8.el6_9.ppc64.rpm	SHA-256: 00ccd9a8da8397409b07d4457010d754486c62756f58ebde5052542a8bc38846

Red Hat Enterprise Linux for Scientific Computing 6

SRPM
patch-2.6-8.el6_9.src.rpm	SHA-256: 0c18728d94ae446c9a39d7c46b82a31ef48837cbc23e64152aa202a33d57b44d
x86_64
patch-2.6-8.el6_9.x86_64.rpm	SHA-256: 50180729633ab6256397804a6cf79379ece4e9d30fd1db7de40ed9f672bc3586
patch-debuginfo-2.6-8.el6_9.x86_64.rpm	SHA-256: 89e67c53469068df090975357926f9c4b7b17bb8e0ab435a0cb61a5310e674c6