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All Products
Red Hat Product Errata RHSA-2018:1932 - Security Advisory
Issued:
2018-06-19
Updated:
2018-06-19

RHSA-2018:1932 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: zsh security update

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

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

Red Hat Product Security has rated this update as having a security impact of Moderate. 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 zsh shell is a command interpreter usable as an interactive login shell and as a shell script command processor. Zsh resembles the ksh shell (the Korn shell), but includes many enhancements. Zsh supports command-line editing, built-in spelling correction, programmable command completion, shell functions (with autoloading), a history mechanism, and more.

Security Fix(es):

  • zsh: Stack-based buffer overflow in gen_matches_files() at compctl.c (CVE-2018-1083)
  • zsh: buffer overflow when scanning very long directory paths for symbolic links (CVE-2014-10072)
  • zsh: buffer overrun in symlinks (CVE-2017-18206)
  • zsh: buffer overflow in utils.c:checkmailpath() can lead to local arbitrary code execution (CVE-2018-1100)

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.

The CVE-2018-1083 and CVE-2018-1100 issues were discovered by Richard Maciel Costa (Red Hat).

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 6.10 Release Notes and Red Hat Enterprise Linux 6.10 Technical Notes linked from 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 Server - Extended Life Cycle Support 6 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 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
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x

Fixes

  • BZ - 1549836 - CVE-2014-10072 zsh: buffer overflow when scanning very long directory paths for symbolic links
  • BZ - 1549861 - CVE-2017-18206 zsh: buffer overrun in symlinks
  • BZ - 1557382 - CVE-2018-1083 zsh: Stack-based buffer overflow in gen_matches_files() at compctl.c
  • BZ - 1563395 - CVE-2018-1100 zsh: buffer overflow in utils.c:checkmailpath() can lead to local arbitrary code execution

CVEs

  • CVE-2014-10072
  • CVE-2017-18206
  • CVE-2018-1083
  • CVE-2018-1100

References

  • https://access.redhat.com/security/updates/classification/#moderate
  • https://access.redhat.com/documentation/en-US/red_hat_enterprise_linux/6/html/6.10_release_notes/index.html
  • https://access.redhat.com/documentation/en-US/red_hat_enterprise_linux/6/html/6.10_technical_notes/index.html
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server 6

SRPM
zsh-4.3.11-8.el6.src.rpm SHA-256: ea290d1d315079efd6dcb99e35116e38f171be0c25cbea4075e1de16999bbfb7
x86_64
zsh-4.3.11-8.el6.x86_64.rpm SHA-256: 9c11494e8fefaf795473a85017575a7a4d14c34fcd9608f8e784d2798ba211c7
zsh-debuginfo-4.3.11-8.el6.x86_64.rpm SHA-256: fa12ecae9e32f408b30e9e7b5a4f36bbf493c105e0e343b3cf903ed854f72b9e
zsh-debuginfo-4.3.11-8.el6.x86_64.rpm SHA-256: fa12ecae9e32f408b30e9e7b5a4f36bbf493c105e0e343b3cf903ed854f72b9e
zsh-html-4.3.11-8.el6.x86_64.rpm SHA-256: 2ec14ef8e7b6a8512ef33de477cd92945e7ec6c70d6734c2862758fd2e6152e6
i386
zsh-4.3.11-8.el6.i686.rpm SHA-256: 3a5f901230d68a6803ad22ec00b5214e4017b267f7da99f2cdbc6179f6a6af71
zsh-debuginfo-4.3.11-8.el6.i686.rpm SHA-256: 5112423b8ab6c388a21ba178233a7f57e412af30e3b5ab9349953ced6a548466
zsh-debuginfo-4.3.11-8.el6.i686.rpm SHA-256: 5112423b8ab6c388a21ba178233a7f57e412af30e3b5ab9349953ced6a548466
zsh-html-4.3.11-8.el6.i686.rpm SHA-256: f6cc752762e35091cd81ee8cf7f42cd80e96a865f8a096bbeaf734bf9b51cbd4

Red Hat Enterprise Linux Server - Extended Life Cycle Support 6

SRPM
zsh-4.3.11-8.el6.src.rpm SHA-256: ea290d1d315079efd6dcb99e35116e38f171be0c25cbea4075e1de16999bbfb7
x86_64
zsh-4.3.11-8.el6.x86_64.rpm SHA-256: 9c11494e8fefaf795473a85017575a7a4d14c34fcd9608f8e784d2798ba211c7
zsh-debuginfo-4.3.11-8.el6.x86_64.rpm SHA-256: fa12ecae9e32f408b30e9e7b5a4f36bbf493c105e0e343b3cf903ed854f72b9e
zsh-debuginfo-4.3.11-8.el6.x86_64.rpm SHA-256: fa12ecae9e32f408b30e9e7b5a4f36bbf493c105e0e343b3cf903ed854f72b9e
zsh-html-4.3.11-8.el6.x86_64.rpm SHA-256: 2ec14ef8e7b6a8512ef33de477cd92945e7ec6c70d6734c2862758fd2e6152e6
i386
zsh-4.3.11-8.el6.i686.rpm SHA-256: 3a5f901230d68a6803ad22ec00b5214e4017b267f7da99f2cdbc6179f6a6af71
zsh-debuginfo-4.3.11-8.el6.i686.rpm SHA-256: 5112423b8ab6c388a21ba178233a7f57e412af30e3b5ab9349953ced6a548466
zsh-debuginfo-4.3.11-8.el6.i686.rpm SHA-256: 5112423b8ab6c388a21ba178233a7f57e412af30e3b5ab9349953ced6a548466
zsh-html-4.3.11-8.el6.i686.rpm SHA-256: f6cc752762e35091cd81ee8cf7f42cd80e96a865f8a096bbeaf734bf9b51cbd4

Red Hat Enterprise Linux Workstation 6

SRPM
zsh-4.3.11-8.el6.src.rpm SHA-256: ea290d1d315079efd6dcb99e35116e38f171be0c25cbea4075e1de16999bbfb7
x86_64
zsh-4.3.11-8.el6.x86_64.rpm SHA-256: 9c11494e8fefaf795473a85017575a7a4d14c34fcd9608f8e784d2798ba211c7
zsh-debuginfo-4.3.11-8.el6.x86_64.rpm SHA-256: fa12ecae9e32f408b30e9e7b5a4f36bbf493c105e0e343b3cf903ed854f72b9e
zsh-debuginfo-4.3.11-8.el6.x86_64.rpm SHA-256: fa12ecae9e32f408b30e9e7b5a4f36bbf493c105e0e343b3cf903ed854f72b9e
zsh-html-4.3.11-8.el6.x86_64.rpm SHA-256: 2ec14ef8e7b6a8512ef33de477cd92945e7ec6c70d6734c2862758fd2e6152e6
i386
zsh-4.3.11-8.el6.i686.rpm SHA-256: 3a5f901230d68a6803ad22ec00b5214e4017b267f7da99f2cdbc6179f6a6af71
zsh-debuginfo-4.3.11-8.el6.i686.rpm SHA-256: 5112423b8ab6c388a21ba178233a7f57e412af30e3b5ab9349953ced6a548466
zsh-debuginfo-4.3.11-8.el6.i686.rpm SHA-256: 5112423b8ab6c388a21ba178233a7f57e412af30e3b5ab9349953ced6a548466
zsh-html-4.3.11-8.el6.i686.rpm SHA-256: f6cc752762e35091cd81ee8cf7f42cd80e96a865f8a096bbeaf734bf9b51cbd4

Red Hat Enterprise Linux Desktop 6

SRPM
zsh-4.3.11-8.el6.src.rpm SHA-256: ea290d1d315079efd6dcb99e35116e38f171be0c25cbea4075e1de16999bbfb7
x86_64
zsh-4.3.11-8.el6.x86_64.rpm SHA-256: 9c11494e8fefaf795473a85017575a7a4d14c34fcd9608f8e784d2798ba211c7
zsh-debuginfo-4.3.11-8.el6.x86_64.rpm SHA-256: fa12ecae9e32f408b30e9e7b5a4f36bbf493c105e0e343b3cf903ed854f72b9e
zsh-debuginfo-4.3.11-8.el6.x86_64.rpm SHA-256: fa12ecae9e32f408b30e9e7b5a4f36bbf493c105e0e343b3cf903ed854f72b9e
zsh-html-4.3.11-8.el6.x86_64.rpm SHA-256: 2ec14ef8e7b6a8512ef33de477cd92945e7ec6c70d6734c2862758fd2e6152e6
i386
zsh-4.3.11-8.el6.i686.rpm SHA-256: 3a5f901230d68a6803ad22ec00b5214e4017b267f7da99f2cdbc6179f6a6af71
zsh-debuginfo-4.3.11-8.el6.i686.rpm SHA-256: 5112423b8ab6c388a21ba178233a7f57e412af30e3b5ab9349953ced6a548466
zsh-debuginfo-4.3.11-8.el6.i686.rpm SHA-256: 5112423b8ab6c388a21ba178233a7f57e412af30e3b5ab9349953ced6a548466
zsh-html-4.3.11-8.el6.i686.rpm SHA-256: f6cc752762e35091cd81ee8cf7f42cd80e96a865f8a096bbeaf734bf9b51cbd4

Red Hat Enterprise Linux for IBM z Systems 6

SRPM
zsh-4.3.11-8.el6.src.rpm SHA-256: ea290d1d315079efd6dcb99e35116e38f171be0c25cbea4075e1de16999bbfb7
s390x
zsh-4.3.11-8.el6.s390x.rpm SHA-256: f14c0c0ffd60f9ce784ead4986a52a4fb9fe59715d0b3167ff7051d21ef7dc9b
zsh-debuginfo-4.3.11-8.el6.s390x.rpm SHA-256: 775f5cee9d5ddecb2b10c917de0356cf52f9fecf34eec253dfa04979dbd26ee7
zsh-debuginfo-4.3.11-8.el6.s390x.rpm SHA-256: 775f5cee9d5ddecb2b10c917de0356cf52f9fecf34eec253dfa04979dbd26ee7
zsh-html-4.3.11-8.el6.s390x.rpm SHA-256: 0a49835bd0ef115fdbe44ae9fdbd7a5763d53d4aad724eb5e0143e031604cd84

Red Hat Enterprise Linux for Power, big endian 6

SRPM
zsh-4.3.11-8.el6.src.rpm SHA-256: ea290d1d315079efd6dcb99e35116e38f171be0c25cbea4075e1de16999bbfb7
ppc64
zsh-4.3.11-8.el6.ppc64.rpm SHA-256: 0a4ce97f77195f3780d23bd05cf20415c5ad408d78506e587c07f0919a041902
zsh-debuginfo-4.3.11-8.el6.ppc64.rpm SHA-256: 0be73ad60b0c4e453b0980fc1447df36ffd0be7f127f1702c73e1c3ad6c04102
zsh-debuginfo-4.3.11-8.el6.ppc64.rpm SHA-256: 0be73ad60b0c4e453b0980fc1447df36ffd0be7f127f1702c73e1c3ad6c04102
zsh-html-4.3.11-8.el6.ppc64.rpm SHA-256: 8767b44a131d654ae76d9a41fe46a2b757a7481769f4271823631d2d3ebb4ff0

Red Hat Enterprise Linux for Scientific Computing 6

SRPM
zsh-4.3.11-8.el6.src.rpm SHA-256: ea290d1d315079efd6dcb99e35116e38f171be0c25cbea4075e1de16999bbfb7
x86_64
zsh-4.3.11-8.el6.x86_64.rpm SHA-256: 9c11494e8fefaf795473a85017575a7a4d14c34fcd9608f8e784d2798ba211c7
zsh-debuginfo-4.3.11-8.el6.x86_64.rpm SHA-256: fa12ecae9e32f408b30e9e7b5a4f36bbf493c105e0e343b3cf903ed854f72b9e
zsh-debuginfo-4.3.11-8.el6.x86_64.rpm SHA-256: fa12ecae9e32f408b30e9e7b5a4f36bbf493c105e0e343b3cf903ed854f72b9e
zsh-html-4.3.11-8.el6.x86_64.rpm SHA-256: 2ec14ef8e7b6a8512ef33de477cd92945e7ec6c70d6734c2862758fd2e6152e6

Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6

SRPM
zsh-4.3.11-8.el6.src.rpm SHA-256: ea290d1d315079efd6dcb99e35116e38f171be0c25cbea4075e1de16999bbfb7
s390x
zsh-4.3.11-8.el6.s390x.rpm SHA-256: f14c0c0ffd60f9ce784ead4986a52a4fb9fe59715d0b3167ff7051d21ef7dc9b
zsh-debuginfo-4.3.11-8.el6.s390x.rpm SHA-256: 775f5cee9d5ddecb2b10c917de0356cf52f9fecf34eec253dfa04979dbd26ee7
zsh-debuginfo-4.3.11-8.el6.s390x.rpm SHA-256: 775f5cee9d5ddecb2b10c917de0356cf52f9fecf34eec253dfa04979dbd26ee7
zsh-html-4.3.11-8.el6.s390x.rpm SHA-256: 0a49835bd0ef115fdbe44ae9fdbd7a5763d53d4aad724eb5e0143e031604cd84

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

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