CVE-2009-1384

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Summary

CVECVE-2009-1384
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-05-28 20:30:00 UTC
Updated2026-04-23 00:35:47 UTC
Descriptionpam_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.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:P/I:N/A:N

Problem Types: CWE-287 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:L/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Eyrie Pam-krb5 2.2.14 All All All
Application Eyrie Pam-krb5 2.3 All All All
Application Eyrie Pam-krb5 2.3.4 All All All
Operating System Redhat Enterprise Linux 5 All All All
Operating System Redhat Enterprise Linux 5 All client All
Operating System Redhat Enterprise Linux 5 All client_workstation All
Operating System Redhat Enterprise Linux 5 All server All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
VMSA-2011-0003 af854a3a-2127-422b-91ae-364da2661108 www.vmware.com
502602 – (CVE-2009-1384) CVE-2009-1384 pam_krb5: Password prompt varies for existent and non-existent users af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Vendor Advisory
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
osvdb.org/54791 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
pam_krb5 Existing/Non-Existing Username Enumeration Weakness af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
oss-security - CVE assignment notification (pam_krb5 CVE-2009-1384) af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
pam_krb5 Password Prompt User Enumeration Security Issue - Advisories - Community af854a3a-2127-422b-91ae-364da2661108 secunia.com
Support / Security / Advisories / / MDVSA-2010:054 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
VMware ESX Server pam_krb5 Security Issues - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

OrganizationPublishedContributorStatement
Red Hat2010-03-31Tomas HogerThis issue did not affect the versions of the pam_krb5 packages, as shipped with Red Hat Enterprise Linux 3 and 4. The issue was addressed in the pam_krb5 packages as shipped with Red Hat Enterprise Linux 5 via: https://rhn.redhat.com/errata/RHSA-2010-0258.html

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