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Oracle Linux: CVE-2017-18206: ELSA-2018-3073: zsh security and bug fix update (MODERATE) (Multiple Advisories)

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Oracle Linux: CVE-2017-18206: ELSA-2018-3073: zsh security and bug fix update (MODERATE) (Multiple Advisories)

Severity
6
CVSS
(AV:L/AC:H/Au:S/C:C/I:C/A:C)
Published
05/09/2017
Created
07/25/2018
Added
06/26/2018
Modified
07/22/2024

Description

In utils.c in zsh before 5.4, symlink expansion had a buffer overflow. A buffer overflow flaw was found in the zsh shell symbolic link resolver. A local, unprivileged user can create a specially crafted directory path which leads to a buffer overflow in the context of the user trying to do a symbolic link resolution in the aforementioned path. If the user affected is privileged, this leads to privilege escalation.

Solution(s)

  • oracle-linux-upgrade-zsh
  • oracle-linux-upgrade-zsh-html

References

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