Description
The ndeb-binary feature in Lookup (lookup-el) allows local users to overwrite arbitrary files via a symlink attack on temporary files.
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 | lookup-el | 1.4-5 | — |
| Debian 13 | lookup-el | 1.4-5 | — |
| Debian 12 | lookup-el | 1.4-5 | — |
| Debian 3.1 | lookup-el | 1.4-3sarge1 | DSA-1269-1 |
Advisories 1
- DSA-1269-1 lookup-el - insecure temporary file Debian Security (DSA / DLA) · Mar 9, 2026
References
- GLSA-200712-07 vendor-advisory
- 28023 third-party-advisory
- 1017792 vdb-entry
- DSA-1269 vendor-advisory
- 34263 vdb-entry
- 24590 third-party-advisory
- 24377 third-party-advisory
- 23026 vdb-entry
- lookup-ndebbinary-symlink(33052) vdb-entry
- http://bugs.gentoo.org/show_bug.cgi?id=197306