Description
The Secure Remote Password (SRP) implementation in Samhain before 2.5.4 does not check for a certain zero value where required by the protocol, which allows remote attackers to bypass authentication via crafted input.
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 | samhain | 2.5.4-1 | — |
| Debian 13 | samhain | 2.5.4-1 | — |
| Debian 12 | samhain | 2.5.4-1 | — |
References
- 34104 third-party-advisory
- http://trac.la-samhna.de/samhain/ticket/150
- http://trac.la-samhna.de/samhain/changeset/225
- 34003 vdb-entry