Synopsis

Important: patch security update

Type/Severity

Security Advisory: Important

Topic

An update for patch is now available for Red Hat Enterprise Linux 7.3 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.

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: 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 for x86_64 - Extended Update Support 7.3 x86_64
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.3 s390x
• Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.3 ppc64
• Red Hat Enterprise Linux EUS Compute Node 7.3 x86_64
• Red Hat Enterprise Linux Server - AUS 7.3 x86_64
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.3 ppc64le
• Red Hat Enterprise Linux Server - TUS 7.3 x86_64
• Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.3 ppc64le
• Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.3 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 for x86_64 - Extended Update Support 7.3

SRPM
patch-2.7.1-10.el7_3.src.rpm	SHA-256: a88357759f9b705309feb770508558a0afe161f1357137dbe7b1fb22d5b867ee
x86_64
patch-2.7.1-10.el7_3.x86_64.rpm	SHA-256: 4c7c4288adb1887cc8cba69d38f562e2c584a6e28368c84d6fd6a5d20c5e0616
patch-debuginfo-2.7.1-10.el7_3.x86_64.rpm	SHA-256: 5fe22e90a6ee7327844acacc1dfa4ff35a7348aa4a89b25b19dea928a7c4b182

Red Hat Enterprise Linux Server - AUS 7.3

SRPM
patch-2.7.1-10.el7_3.src.rpm	SHA-256: a88357759f9b705309feb770508558a0afe161f1357137dbe7b1fb22d5b867ee
x86_64
patch-2.7.1-10.el7_3.x86_64.rpm	SHA-256: 4c7c4288adb1887cc8cba69d38f562e2c584a6e28368c84d6fd6a5d20c5e0616
patch-debuginfo-2.7.1-10.el7_3.x86_64.rpm	SHA-256: 5fe22e90a6ee7327844acacc1dfa4ff35a7348aa4a89b25b19dea928a7c4b182

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.3

SRPM
patch-2.7.1-10.el7_3.src.rpm	SHA-256: a88357759f9b705309feb770508558a0afe161f1357137dbe7b1fb22d5b867ee
s390x
patch-2.7.1-10.el7_3.s390x.rpm	SHA-256: 95f752d784989549b772ac4c51140d61f7b8d1b956dfb50f57712bd69a3558af
patch-debuginfo-2.7.1-10.el7_3.s390x.rpm	SHA-256: 601f21ea04697dc0c7f019f9053f45996eb2cb937854ca7186dd5eacd28bcce8

Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.3

SRPM
patch-2.7.1-10.el7_3.src.rpm	SHA-256: a88357759f9b705309feb770508558a0afe161f1357137dbe7b1fb22d5b867ee
ppc64
patch-2.7.1-10.el7_3.ppc64.rpm	SHA-256: 22b67f90bf6bfb2ef068d2ce27cca3eb3b4662eda3cb2401c62cd6eb9c567e41
patch-debuginfo-2.7.1-10.el7_3.ppc64.rpm	SHA-256: b2d1724dec07937d48731be79d324afcaf60d55846204e79c3355dc48d6d0c80

Red Hat Enterprise Linux EUS Compute Node 7.3

SRPM
patch-2.7.1-10.el7_3.src.rpm	SHA-256: a88357759f9b705309feb770508558a0afe161f1357137dbe7b1fb22d5b867ee
x86_64
patch-2.7.1-10.el7_3.x86_64.rpm	SHA-256: 4c7c4288adb1887cc8cba69d38f562e2c584a6e28368c84d6fd6a5d20c5e0616
patch-debuginfo-2.7.1-10.el7_3.x86_64.rpm	SHA-256: 5fe22e90a6ee7327844acacc1dfa4ff35a7348aa4a89b25b19dea928a7c4b182

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.3

SRPM
patch-2.7.1-10.el7_3.src.rpm	SHA-256: a88357759f9b705309feb770508558a0afe161f1357137dbe7b1fb22d5b867ee
ppc64le
patch-2.7.1-10.el7_3.ppc64le.rpm	SHA-256: a70d5d2654309af075aed4a9650a7fd73c56a25c6e88b2a332f548fd1737760c
patch-debuginfo-2.7.1-10.el7_3.ppc64le.rpm	SHA-256: d1cbfb939950bd0798bd53282d1599f921bbd6f8c4294633f32a97a179954f3a

Red Hat Enterprise Linux Server - TUS 7.3

SRPM
patch-2.7.1-10.el7_3.src.rpm	SHA-256: a88357759f9b705309feb770508558a0afe161f1357137dbe7b1fb22d5b867ee
x86_64
patch-2.7.1-10.el7_3.x86_64.rpm	SHA-256: 4c7c4288adb1887cc8cba69d38f562e2c584a6e28368c84d6fd6a5d20c5e0616
patch-debuginfo-2.7.1-10.el7_3.x86_64.rpm	SHA-256: 5fe22e90a6ee7327844acacc1dfa4ff35a7348aa4a89b25b19dea928a7c4b182

Red Hat Enterprise Linux Server (for IBM Power LE) - Update Services for SAP Solutions 7.3

SRPM
patch-2.7.1-10.el7_3.src.rpm	SHA-256: a88357759f9b705309feb770508558a0afe161f1357137dbe7b1fb22d5b867ee
ppc64le
patch-2.7.1-10.el7_3.ppc64le.rpm	SHA-256: a70d5d2654309af075aed4a9650a7fd73c56a25c6e88b2a332f548fd1737760c
patch-debuginfo-2.7.1-10.el7_3.ppc64le.rpm	SHA-256: d1cbfb939950bd0798bd53282d1599f921bbd6f8c4294633f32a97a179954f3a

Red Hat Enterprise Linux Server - Update Services for SAP Solutions 7.3

SRPM
patch-2.7.1-10.el7_3.src.rpm	SHA-256: a88357759f9b705309feb770508558a0afe161f1357137dbe7b1fb22d5b867ee
x86_64
patch-2.7.1-10.el7_3.x86_64.rpm	SHA-256: 4c7c4288adb1887cc8cba69d38f562e2c584a6e28368c84d6fd6a5d20c5e0616
patch-debuginfo-2.7.1-10.el7_3.x86_64.rpm	SHA-256: 5fe22e90a6ee7327844acacc1dfa4ff35a7348aa4a89b25b19dea928a7c4b182