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All Products
Red Hat Product Errata RHSA-2020:0568 - Security Advisory
Issued:
2020-02-24
Updated:
2020-02-24

RHSA-2020:0568 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: ksh 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 ksh is now available for Red Hat Enterprise Linux 7.

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

KornShell (ksh) is a Unix shell developed by AT&T Bell Laboratories, which is backward-compatible with the Bourne shell (sh) and includes many features of the C shell. The most recent version is KSH-93. KornShell complies with the POSIX.2 standard (IEEE Std 1003.2-1992).

Security Fix(es):

  • ksh: certain environment variables interpreted as arithmetic expressions on startup, leading to code injection (CVE-2019-14868)

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 Server 7 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.7 x86_64
  • Red Hat Enterprise Linux Server - AUS 7.7 x86_64
  • Red Hat Enterprise Linux Workstation 7 x86_64
  • Red Hat Enterprise Linux Desktop 7 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 7 s390x
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.7 s390x
  • Red Hat Enterprise Linux for Power, big endian 7 ppc64
  • Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.7 ppc64
  • Red Hat Enterprise Linux for Scientific Computing 7 x86_64
  • Red Hat Enterprise Linux EUS Compute Node 7.7 x86_64
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.7 ppc64le
  • Red Hat Enterprise Linux Server - TUS 7.7 x86_64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.7 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.7 x86_64

Fixes

  • BZ - 1757324 - CVE-2019-14868 ksh: certain environment variables interpreted as arithmetic expressions on startup, leading to code injection

CVEs

  • CVE-2019-14868

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 Server 7

SRPM
ksh-20120801-140.el7_7.src.rpm SHA-256: 1c176f7c781316c7bbdf0a6786b484eab623e54a4269c0d6874c942b3e5d9cec
x86_64
ksh-20120801-140.el7_7.x86_64.rpm SHA-256: 893137deb8072e16e352f1448bc828ffae7d5460ed3a195dc52d29c676fc3a70
ksh-debuginfo-20120801-140.el7_7.x86_64.rpm SHA-256: 9efa09a5b9a9e1f3f5ca294b1e1395e877f98fba061371cf9eb85769adb360c1

Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.7

SRPM
ksh-20120801-140.el7_7.src.rpm SHA-256: 1c176f7c781316c7bbdf0a6786b484eab623e54a4269c0d6874c942b3e5d9cec
x86_64
ksh-20120801-140.el7_7.x86_64.rpm SHA-256: 893137deb8072e16e352f1448bc828ffae7d5460ed3a195dc52d29c676fc3a70
ksh-debuginfo-20120801-140.el7_7.x86_64.rpm SHA-256: 9efa09a5b9a9e1f3f5ca294b1e1395e877f98fba061371cf9eb85769adb360c1

Red Hat Enterprise Linux Workstation 7

SRPM
ksh-20120801-140.el7_7.src.rpm SHA-256: 1c176f7c781316c7bbdf0a6786b484eab623e54a4269c0d6874c942b3e5d9cec
x86_64
ksh-20120801-140.el7_7.x86_64.rpm SHA-256: 893137deb8072e16e352f1448bc828ffae7d5460ed3a195dc52d29c676fc3a70
ksh-debuginfo-20120801-140.el7_7.x86_64.rpm SHA-256: 9efa09a5b9a9e1f3f5ca294b1e1395e877f98fba061371cf9eb85769adb360c1

Red Hat Enterprise Linux for IBM z Systems 7

SRPM
ksh-20120801-140.el7_7.src.rpm SHA-256: 1c176f7c781316c7bbdf0a6786b484eab623e54a4269c0d6874c942b3e5d9cec
s390x
ksh-20120801-140.el7_7.s390x.rpm SHA-256: bd9ffc0987d126db90a36e04c48aa5643b28252f642b2d4526144a20d1f62038
ksh-debuginfo-20120801-140.el7_7.s390x.rpm SHA-256: 90bcb4909e084f01252ea35b1090b028f353d7e1135ef514af31b59c41cacaaa

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 7.7

SRPM
ksh-20120801-140.el7_7.src.rpm SHA-256: 1c176f7c781316c7bbdf0a6786b484eab623e54a4269c0d6874c942b3e5d9cec
s390x
ksh-20120801-140.el7_7.s390x.rpm SHA-256: bd9ffc0987d126db90a36e04c48aa5643b28252f642b2d4526144a20d1f62038
ksh-debuginfo-20120801-140.el7_7.s390x.rpm SHA-256: 90bcb4909e084f01252ea35b1090b028f353d7e1135ef514af31b59c41cacaaa

Red Hat Enterprise Linux for Power, big endian 7

SRPM
ksh-20120801-140.el7_7.src.rpm SHA-256: 1c176f7c781316c7bbdf0a6786b484eab623e54a4269c0d6874c942b3e5d9cec
ppc64
ksh-20120801-140.el7_7.ppc64.rpm SHA-256: 36665d5dd0ba08b27347f777e8e28023af1880b9350ceab72e5e04fa7a345d40
ksh-debuginfo-20120801-140.el7_7.ppc64.rpm SHA-256: 9fa3625c69100ecd2acd165dc5765ed44c87ac9d3551b51dc94f00017e428076

Red Hat Enterprise Linux for Power, big endian - Extended Update Support 7.7

SRPM
ksh-20120801-140.el7_7.src.rpm SHA-256: 1c176f7c781316c7bbdf0a6786b484eab623e54a4269c0d6874c942b3e5d9cec
ppc64
ksh-20120801-140.el7_7.ppc64.rpm SHA-256: 36665d5dd0ba08b27347f777e8e28023af1880b9350ceab72e5e04fa7a345d40
ksh-debuginfo-20120801-140.el7_7.ppc64.rpm SHA-256: 9fa3625c69100ecd2acd165dc5765ed44c87ac9d3551b51dc94f00017e428076

Red Hat Enterprise Linux for Scientific Computing 7

SRPM
ksh-20120801-140.el7_7.src.rpm SHA-256: 1c176f7c781316c7bbdf0a6786b484eab623e54a4269c0d6874c942b3e5d9cec
x86_64
ksh-20120801-140.el7_7.x86_64.rpm SHA-256: 893137deb8072e16e352f1448bc828ffae7d5460ed3a195dc52d29c676fc3a70
ksh-debuginfo-20120801-140.el7_7.x86_64.rpm SHA-256: 9efa09a5b9a9e1f3f5ca294b1e1395e877f98fba061371cf9eb85769adb360c1

Red Hat Enterprise Linux EUS Compute Node 7.7

SRPM
ksh-20120801-140.el7_7.src.rpm SHA-256: 1c176f7c781316c7bbdf0a6786b484eab623e54a4269c0d6874c942b3e5d9cec
x86_64
ksh-20120801-140.el7_7.x86_64.rpm SHA-256: 893137deb8072e16e352f1448bc828ffae7d5460ed3a195dc52d29c676fc3a70
ksh-debuginfo-20120801-140.el7_7.x86_64.rpm SHA-256: 9efa09a5b9a9e1f3f5ca294b1e1395e877f98fba061371cf9eb85769adb360c1

Red Hat Enterprise Linux Server - AUS 7.7

SRPM
ksh-20120801-140.el7_7.src.rpm SHA-256: 1c176f7c781316c7bbdf0a6786b484eab623e54a4269c0d6874c942b3e5d9cec
x86_64
ksh-20120801-140.el7_7.x86_64.rpm SHA-256: 893137deb8072e16e352f1448bc828ffae7d5460ed3a195dc52d29c676fc3a70
ksh-debuginfo-20120801-140.el7_7.x86_64.rpm SHA-256: 9efa09a5b9a9e1f3f5ca294b1e1395e877f98fba061371cf9eb85769adb360c1

Red Hat Enterprise Linux Desktop 7

SRPM
ksh-20120801-140.el7_7.src.rpm SHA-256: 1c176f7c781316c7bbdf0a6786b484eab623e54a4269c0d6874c942b3e5d9cec
x86_64
ksh-20120801-140.el7_7.x86_64.rpm SHA-256: 893137deb8072e16e352f1448bc828ffae7d5460ed3a195dc52d29c676fc3a70
ksh-debuginfo-20120801-140.el7_7.x86_64.rpm SHA-256: 9efa09a5b9a9e1f3f5ca294b1e1395e877f98fba061371cf9eb85769adb360c1

Red Hat Enterprise Linux for Power, little endian 7

SRPM
ksh-20120801-140.el7_7.src.rpm SHA-256: 1c176f7c781316c7bbdf0a6786b484eab623e54a4269c0d6874c942b3e5d9cec
ppc64le
ksh-20120801-140.el7_7.ppc64le.rpm SHA-256: edc783cd33e508ff18cf94269ad25db58d0bde6b08a0f3e739587f9a77f8a9e5
ksh-debuginfo-20120801-140.el7_7.ppc64le.rpm SHA-256: 82156a62294014d2738d321cb602aa260a1d54d83acf7a452d2eaea507ed814e

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.7

SRPM
ksh-20120801-140.el7_7.src.rpm SHA-256: 1c176f7c781316c7bbdf0a6786b484eab623e54a4269c0d6874c942b3e5d9cec
ppc64le
ksh-20120801-140.el7_7.ppc64le.rpm SHA-256: edc783cd33e508ff18cf94269ad25db58d0bde6b08a0f3e739587f9a77f8a9e5
ksh-debuginfo-20120801-140.el7_7.ppc64le.rpm SHA-256: 82156a62294014d2738d321cb602aa260a1d54d83acf7a452d2eaea507ed814e

Red Hat Enterprise Linux Server - TUS 7.7

SRPM
ksh-20120801-140.el7_7.src.rpm SHA-256: 1c176f7c781316c7bbdf0a6786b484eab623e54a4269c0d6874c942b3e5d9cec
x86_64
ksh-20120801-140.el7_7.x86_64.rpm SHA-256: 893137deb8072e16e352f1448bc828ffae7d5460ed3a195dc52d29c676fc3a70
ksh-debuginfo-20120801-140.el7_7.x86_64.rpm SHA-256: 9efa09a5b9a9e1f3f5ca294b1e1395e877f98fba061371cf9eb85769adb360c1

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.7

SRPM
ksh-20120801-140.el7_7.src.rpm SHA-256: 1c176f7c781316c7bbdf0a6786b484eab623e54a4269c0d6874c942b3e5d9cec
ppc64le
ksh-20120801-140.el7_7.ppc64le.rpm SHA-256: edc783cd33e508ff18cf94269ad25db58d0bde6b08a0f3e739587f9a77f8a9e5
ksh-debuginfo-20120801-140.el7_7.ppc64le.rpm SHA-256: 82156a62294014d2738d321cb602aa260a1d54d83acf7a452d2eaea507ed814e

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.7

SRPM
ksh-20120801-140.el7_7.src.rpm SHA-256: 1c176f7c781316c7bbdf0a6786b484eab623e54a4269c0d6874c942b3e5d9cec
x86_64
ksh-20120801-140.el7_7.x86_64.rpm SHA-256: 893137deb8072e16e352f1448bc828ffae7d5460ed3a195dc52d29c676fc3a70
ksh-debuginfo-20120801-140.el7_7.x86_64.rpm SHA-256: 9efa09a5b9a9e1f3f5ca294b1e1395e877f98fba061371cf9eb85769adb360c1

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

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