Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2009-1273

Published: Apr 08, 2009 | Modified: Apr 09, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
5 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
Ubuntu
LOW
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2009-1273
CWEhttps://cwe.mitre.org/data/definitions/255.html

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 Software

NameVendorStart VersionEnd Version
Pam_sshAndrew_j.korty1.92 (including)1.92 (including)
Libpam-sshUbuntudapper*
Libpam-sshUbuntugutsy*
Libpam-sshUbuntuhardy*
Libpam-sshUbuntuintrepid*
Libpam-sshUbuntujaunty*
Libpam-sshUbuntukarmic*

References

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