Description
pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the username is valid or invalid, which makes it easier for remote attackers to enumerate usernames.
Affected products
- andrew_j.korty / pam_ssh1.92 – 1.92
References
- MISChttp://bugs.gentoo.org/show_bug.cgi?id=263579
- VENDOR_ADVISORYhttp://secunia.com/advisories/34986
- VENDOR_ADVISORYhttp://secunia.com/advisories/34536
- MISChttps://www.redhat.com/archives/fedora-package-announce/2009-May/msg00116.html
- MISChttps://www.redhat.com/archives/fedora-package-announce/2009-May/msg00145.html