Description
lib-src/movemail.c in movemail in emacs 22 and 23 allows local users to read, modify, or delete arbitrary mailbox files via a symlink attack, related to improper file-permission checks.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 12 | xemacs21 | 21.4.22-3.1 | — |
References
- MDVSA-2010:083 vendor-advisory
- emacs-emailhelper-symlink(57457) vdb-entry
- USN-919-1 vendor-advisory
- 39155 third-party-advisory
- ADV-2010-0734 vdb-entry
- https://bugs.launchpad.net/ubuntu/+bug/531569
- ADV-2010-0952 vdb-entry