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Red Hat Product Errata RHSA-2019:3758 - Security Advisory
Issued:
2019-11-06
Updated:
2019-11-06

RHSA-2019:3758 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: patch security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

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.

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: 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.

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 7.6 x86_64
  • Red Hat Enterprise Linux Server - AUS 7.6 x86_64
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.6 s390x
  • Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.6 ppc64
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.6 ppc64le
  • Red Hat Enterprise Linux Server - TUS 7.6 x86_64
  • Red Hat Enterprise Linux for ARM 64 7 aarch64
  • Red Hat Enterprise Linux for Power 9 7 ppc64le
  • Red Hat Enterprise Linux EUS Compute Node 7.6 x86_64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.6 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.6 x86_64
  • Red Hat Enterprise Linux for IBM System z (Structure A) 7 s390x

Fixes

  • BZ - 1733916 - CVE-2019-13638 patch: OS shell command injection when processing crafted patch files
  • BZ - 1746672 - CVE-2018-20969 patch: do_ed_script in pch.c does not block strings beginning with a ! character

CVEs

  • CVE-2018-20969
  • CVE-2019-13638

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.6

SRPM
patch-2.7.1-11.el7_6.src.rpm SHA-256: b2f71fab5e0a9bfa1c2c03b68ac4bab6054bf6a7670820f7b85d338fa34776d0
x86_64
patch-2.7.1-11.el7_6.x86_64.rpm SHA-256: 0f5b6ebac193d72bfd92fc921eb258c8f83b83f8b86ed1ca485c41d8190011a6
patch-debuginfo-2.7.1-11.el7_6.x86_64.rpm SHA-256: 74ab1c92de5c6dbb8cda5c96486bb14047ec446ab983c64f96864780e826a79a

Red Hat Enterprise Linux Server - AUS 7.6

SRPM
patch-2.7.1-11.el7_6.src.rpm SHA-256: b2f71fab5e0a9bfa1c2c03b68ac4bab6054bf6a7670820f7b85d338fa34776d0
x86_64
patch-2.7.1-11.el7_6.x86_64.rpm SHA-256: 0f5b6ebac193d72bfd92fc921eb258c8f83b83f8b86ed1ca485c41d8190011a6
patch-debuginfo-2.7.1-11.el7_6.x86_64.rpm SHA-256: 74ab1c92de5c6dbb8cda5c96486bb14047ec446ab983c64f96864780e826a79a

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.6

SRPM
patch-2.7.1-11.el7_6.src.rpm SHA-256: b2f71fab5e0a9bfa1c2c03b68ac4bab6054bf6a7670820f7b85d338fa34776d0
s390x
patch-2.7.1-11.el7_6.s390x.rpm SHA-256: 1dd995d2323e09fe32bb142b66642de1b13dcae8085cb7246de1e8324412ed77
patch-debuginfo-2.7.1-11.el7_6.s390x.rpm SHA-256: 0ffecaa565037e3b50e770cade984c5d3df593ffd09fb63e22104bf0552f5194

Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.6

SRPM
patch-2.7.1-11.el7_6.src.rpm SHA-256: b2f71fab5e0a9bfa1c2c03b68ac4bab6054bf6a7670820f7b85d338fa34776d0
ppc64
patch-2.7.1-11.el7_6.ppc64.rpm SHA-256: 9979dc199f7520cbfa94983a7f98b3264e3659af1f5b7c4f6353306d5eda1348
patch-debuginfo-2.7.1-11.el7_6.ppc64.rpm SHA-256: 4ef667aa81f1692bc5d9514d02400a9ebdfa52cd149c622dfa142e7b1864c1d9

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.6

SRPM
patch-2.7.1-11.el7_6.src.rpm SHA-256: b2f71fab5e0a9bfa1c2c03b68ac4bab6054bf6a7670820f7b85d338fa34776d0
ppc64le
patch-2.7.1-11.el7_6.ppc64le.rpm SHA-256: bb69fba3fc0de900435280aae4c874030e3e1a4d1ad85566e5619f1b7355e1b7
patch-debuginfo-2.7.1-11.el7_6.ppc64le.rpm SHA-256: 4fd188edb521552c7019507c298deacd721a245a96b93a1dfc98c3b40c29415f

Red Hat Enterprise Linux Server - TUS 7.6

SRPM
patch-2.7.1-11.el7_6.src.rpm SHA-256: b2f71fab5e0a9bfa1c2c03b68ac4bab6054bf6a7670820f7b85d338fa34776d0
x86_64
patch-2.7.1-11.el7_6.x86_64.rpm SHA-256: 0f5b6ebac193d72bfd92fc921eb258c8f83b83f8b86ed1ca485c41d8190011a6
patch-debuginfo-2.7.1-11.el7_6.x86_64.rpm SHA-256: 74ab1c92de5c6dbb8cda5c96486bb14047ec446ab983c64f96864780e826a79a

Red Hat Enterprise Linux for ARM 64 7

SRPM
patch-2.7.1-11.el7_6.src.rpm SHA-256: b2f71fab5e0a9bfa1c2c03b68ac4bab6054bf6a7670820f7b85d338fa34776d0
aarch64
patch-2.7.1-11.el7_6.aarch64.rpm SHA-256: f45387f6300a7b1f937dcc9cafad99452e59519e12af2cacd298c0bdb60d3bc2
patch-debuginfo-2.7.1-11.el7_6.aarch64.rpm SHA-256: 3cf4f4d98493f4f3fb7d3ba5d58a716b61148fc5e6749579bd121749905cb192

Red Hat Enterprise Linux for Power 9 7

SRPM
patch-2.7.1-11.el7_6.src.rpm SHA-256: b2f71fab5e0a9bfa1c2c03b68ac4bab6054bf6a7670820f7b85d338fa34776d0
ppc64le
patch-2.7.1-11.el7_6.ppc64le.rpm SHA-256: bb69fba3fc0de900435280aae4c874030e3e1a4d1ad85566e5619f1b7355e1b7
patch-debuginfo-2.7.1-11.el7_6.ppc64le.rpm SHA-256: 4fd188edb521552c7019507c298deacd721a245a96b93a1dfc98c3b40c29415f

Red Hat Enterprise Linux EUS Compute Node 7.6

SRPM
patch-2.7.1-11.el7_6.src.rpm SHA-256: b2f71fab5e0a9bfa1c2c03b68ac4bab6054bf6a7670820f7b85d338fa34776d0
x86_64
patch-2.7.1-11.el7_6.x86_64.rpm SHA-256: 0f5b6ebac193d72bfd92fc921eb258c8f83b83f8b86ed1ca485c41d8190011a6
patch-debuginfo-2.7.1-11.el7_6.x86_64.rpm SHA-256: 74ab1c92de5c6dbb8cda5c96486bb14047ec446ab983c64f96864780e826a79a

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.6

SRPM
patch-2.7.1-11.el7_6.src.rpm SHA-256: b2f71fab5e0a9bfa1c2c03b68ac4bab6054bf6a7670820f7b85d338fa34776d0
ppc64le
patch-2.7.1-11.el7_6.ppc64le.rpm SHA-256: bb69fba3fc0de900435280aae4c874030e3e1a4d1ad85566e5619f1b7355e1b7
patch-debuginfo-2.7.1-11.el7_6.ppc64le.rpm SHA-256: 4fd188edb521552c7019507c298deacd721a245a96b93a1dfc98c3b40c29415f

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.6

SRPM
patch-2.7.1-11.el7_6.src.rpm SHA-256: b2f71fab5e0a9bfa1c2c03b68ac4bab6054bf6a7670820f7b85d338fa34776d0
x86_64
patch-2.7.1-11.el7_6.x86_64.rpm SHA-256: 0f5b6ebac193d72bfd92fc921eb258c8f83b83f8b86ed1ca485c41d8190011a6
patch-debuginfo-2.7.1-11.el7_6.x86_64.rpm SHA-256: 74ab1c92de5c6dbb8cda5c96486bb14047ec446ab983c64f96864780e826a79a

Red Hat Enterprise Linux for IBM System z (Structure A) 7

SRPM
patch-2.7.1-11.el7_6.src.rpm SHA-256: b2f71fab5e0a9bfa1c2c03b68ac4bab6054bf6a7670820f7b85d338fa34776d0
s390x
patch-2.7.1-11.el7_6.s390x.rpm SHA-256: 1dd995d2323e09fe32bb142b66642de1b13dcae8085cb7246de1e8324412ed77
patch-debuginfo-2.7.1-11.el7_6.s390x.rpm SHA-256: 0ffecaa565037e3b50e770cade984c5d3df593ffd09fb63e22104bf0552f5194

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

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