Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2009-1384

Severity CVSS v4.0:
Pending analysis
Type:
CWE-287 Authentication Issues
Publication date:
28/05/2009
Last modified:
09/04/2025

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.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:5:*:client:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:5:*:client_workstation:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:5:*:server:*:*:*:*:*
cpe:2.3:a:eyrie:pam-krb5:2.2.14:*:*:*:*:*:*:*
cpe:2.3:a:eyrie:pam-krb5:2.3:*:*:*:*:*:*:*
cpe:2.3:a:eyrie:pam-krb5:2.3.4:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools