Description
The PAM conversation function in OpenSSH 3.7.1 and 3.7.1p1 interprets an array of structures as an array of pointers, which allows attackers to modify the stack and possibly 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
- VU#209807 third-party-advisory
- 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