Vulnerability CVE-2009-1384
Published: 2009-05-28   Modified: 2012-02-13

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.

Type:

CWE-287

 (Improper Authentication)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Eyrie -> Pam-krb5 

 References:
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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