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Ubuntu: USN-3593-1 (CVE-2014-10070): Zsh vulnerabilities

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Ubuntu: USN-3593-1 (CVE-2014-10070): Zsh vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
02/27/2018
Created
07/25/2018
Added
04/25/2018
Modified
04/25/2018

Description

zsh before 5.0.7 allows evaluation of the initial values of integer variables imported from the environment (instead of treating them as literal numbers). That could allow local privilege escalation, under some specific and atypical conditions where zsh is being invoked in privilege-elevation contexts when the environment has not been properly sanitized, such as when zsh is invoked by sudo on systems where "env_reset" has been disabled.

Solution(s)

  • ubuntu-upgrade-zsh

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