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- Snyk ID SNYK-DEBIAN12-EXIM4-1544886
- published 5 May 2021
- disclosed 6 May 2021
How to fix?
exim4 to version 4.94.2-1 or higher.
Note: Versions mentioned in the description apply to the upstream
How to fix? for
Debian:12 relevant versions.
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.