Description
shorewall 1.4.10c and earlier, and 2.0.x before 2.0.3a, allows local users to overwrite arbitrary files via a symlink attack on the chains-$$ temporary file.
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 14 | shorewall | 2.0.3a | — |
| Debian 13 | shorewall | 2.0.3a | — |
| Debian 12 | shorewall | 2.0.3a | — |
References
- shorewall-symlink(16651) vdb-entry
- [Shorewall-announce] 20040628 URGENT: Shorewall Security Vulnerability mailing-list
- MDKSA-2004:080 vendor-advisory
- GLSA-200407-07 vendor-advisory