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- Snyk ID SNYK-DEBIAN12-EXIM4-1545032
- published 7 Jun 2010
- disclosed 7 Jun 2010
How to fix?
exim4 to version 4.72-1 or higher.
Note: Versions mentioned in the description apply to the upstream
How to fix? for
Debian:12 relevant versions.
transports/appendfile.c in Exim before 4.72, when a world-writable sticky-bit mail directory is used, does not verify the st_nlink field of mailbox files, which allows local users to cause a denial of service or possibly gain privileges by creating a hard link to another user's file.