Description
adb2mhc in the mhc-utils package before 0.25+20010625-7.1 allows local users to overwrite arbitrary files via a symlink attack on a default temporary directory with a predictable name.
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 | mhc | 0.25+20030224-1 | — |
| Debian 13 | mhc | 0.25+20030224-1 | — |
| Debian 12 | mhc | 0.25+20030224-1 | — |
| Debian 3.0 | mhc | 0.25+20010625-7.1 | DSA-256 |
Advisories 1
- DSA-256 mhc - insecure temporary file Debian Security (DSA / DLA) · Mar 9, 2026
References
- 6978 vdb-entry
- DSA-256 vendor-advisory
- mhc-adb2mhc-insecure-tmp(11439) vdb-entry