CVE-2009-1384

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-05-28 · updated 2026-06-16
Weakness: CWE-287

Description

pam_krb5 2.2.14 through 2.3.4, as used in Red Hat Enterprise Linux (RHEL) 5, generates different password prompts depending on whether the user account exists, which allows remote attackers to enumerate valid usernames.

Affected products

Eyrie Pam-Krb5: 2.2.14, 2.3, 2.3.4

References

http://osvdb.org/54791
http://secunia.com/advisories/35230
http://secunia.com/advisories/43314
http://www.mandriva.com/security/advisories?name=MDVSA-2010:054
http://www.openwall.com/lists/oss-security/2009/05/27/1
http://www.securityfocus.com/archive/1/516397/100/0/threaded
http://www.securityfocus.com/bid/35112
http://www.vmware.com/security/advisories/VMSA-2011-0003.html
http://www.vupen.com/english/advisories/2009/1448
https://bugzilla.redhat.com/show_bug.cgi?id=502602
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7081
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9652

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