Description
The SSH1 PAM challenge response authentication in OpenSSH 3.7.1 and 3.7.1p1, when Privilege Separation is disabled, does not check the result of the authentication attempt, which can allow remote attackers to gain privileges.
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 | openssh | 1:3.7.1p2 | — |
| Debian 13 | openssh | 1:3.7.1p2 | — |
| Debian 12 | openssh | 1:3.7.1p2 | — |
References
- http://www.openssh.com/txt/sshpam.adv
- 8677 vdb-entry
- 20030923 Multiple PAM vulnerabilities in portable OpenSSH mailing-list
- 20030923 Portable OpenSSH 3.7.1p2 released mailing-list
- 20030924 [OpenPKG-SA-2003.042] OpenPKG Security Advisory (openssh) mailing-list
- VU#602204 third-party-advisory