CVE-2009-1273

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:P/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 57%
VendorProductVersion
andrew_j.kortypam_ssh
1.92
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libpam-ssh
bullseye
2.3+ds-2
fixed
etch
no-dsa
sid
2.3+ds-8
fixed
trixie
2.3+ds-8
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libpam-ssh
oneiric
not-affected
natty
not-affected
maverick
not-affected
lucid
not-affected
karmic
ignored
jaunty
ignored
intrepid
ignored
hardy
ignored
gutsy
ignored
dapper
ignored
Common Weakness Enumeration
References
http://bugs.gentoo.org/show_bug.cgi?id=263579
http://secunia.com/advisories/34536
http://secunia.com/advisories/34986
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00116.html
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00145.html
http://bugs.gentoo.org/show_bug.cgi?id=263579
http://secunia.com/advisories/34536
http://secunia.com/advisories/34986
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00116.html
https://www.redhat.com/archives/fedora-package-announce/2009-May/msg00145.html