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pam_krb5 Existing/Non-Existing Username Enumeration Weakness

oval:org.mitre.oval:def:7081

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.

Family:
unix
Status:
ACCEPTED
Platform(s):
  • VMWare ESX Server 4.0
Class:
vulnerability
Reference(s):
  • CVE-2009-1384
Product(s):