Exim: Link attack in Exim's log directory (CVE-2020-28007)
7
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
05/06/2021
05/14/2021
05/13/2021
05/13/2021
Description
Exim 4 before 4.94.2 allows Execution with Unnecessary Privileges. Because Exim operates as root in the log directory (owned by a non-root user), a symlink or hard link attack allows overwriting critical root-owned files anywhere on the filesystem.
Solution(s)
- exim-upgrade-4_94_2
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