Description
xferfaxstats in HylaFax 4.2.1 and earlier allows local users to overwrite arbitrary files via a symlink attack on the xferfax$$ 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 ↗Advisories 1
- DSA-865-1 hylafax - insecure temporary files Debian Security (DSA / DLA) · Mar 9, 2026
References
- 17022 third-party-advisory
- 14907 vdb-entry
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=329384
- DSA-865 vendor-advisory
- GLSA-200509-21 vendor-advisory
- MDKSA-2005:177 vendor-advisory
- 16906 third-party-advisory
- 17187 third-party-advisory
- 17107 third-party-advisory