Description
htpasswd and htdigest in Apache 2.0a9, 1.3.14, and others allows local users to overwrite arbitrary files via a symlink attack.
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 ↗Advisories 3
- DSA-187 apache - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-195 apache-perl - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-188 apache-ssl - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- 2182 vdb-entry
- linux-apache-symlink(5926) vdb-entry
- 20010110 Immunix OS Security update for lots of temp file problems mailing-list
- DSA-021 vendor-advisory