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Exim: Improper Input Validation (CVE-2011-0017)

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Exim: Improper Input Validation (CVE-2011-0017)

Severity
7
CVSS
(AV:L/AC:M/Au:N/C:C/I:C/A:C)
Published
02/02/2011
Created
12/04/2019
Added
12/03/2019
Modified
04/26/2021

Description

The open_log function in log.c in Exim 4.72 and earlier does not check the return value from (1) setuid or (2) setgid system calls, which allows local users to append log data to arbitrary files via a symlink attack.

Solution(s)

  • exim-upgrade-latest

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