Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2009-0361

Severity CVSS v4.0:
Pending analysis
Type:
CWE-264 Permissions, Privileges, and Access Control
Publication date:
13/02/2009
Last modified:
09/04/2025

Description

Russ Allbery pam-krb5 before 3.13, as used by libpam-heimdal, su in Solaris 10, and other software, does not properly handle calls to pam_setcred when running setuid, which allows local users to overwrite and change the ownership of arbitrary files by setting the KRB5CCNAME environment variable, and then launching a setuid application that performs certain pam_setcred operations.

Impact

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

Base Score: 4.60 MEDIUM
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

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

Base Score 2.0
4.60
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:eyrie:pam-krb5:*:*:*:*:*:*:*:* 3.12 (including)
cpe:2.3:a:eyrie:pam-krb5:3.0:*:*:*:*:*:*:*
cpe:2.3:a:eyrie:pam-krb5:3.1:*:*:*:*:*:*:*
cpe:2.3:a:eyrie:pam-krb5:3.2:*:*:*:*:*:*:*
cpe:2.3:a:eyrie:pam-krb5:3.3:*:*:*:*:*:*:*
cpe:2.3:a:eyrie:pam-krb5:3.4:*:*:*:*:*:*:*
cpe:2.3:a:eyrie:pam-krb5:3.5:*:*:*:*:*:*:*
cpe:2.3:a:eyrie:pam-krb5:3.6:*:*:*:*:*:*:*
cpe:2.3:a:eyrie:pam-krb5:3.7:*:*:*:*:*:*:*
cpe:2.3:a:eyrie:pam-krb5:3.8:*:*:*:*:*:*:*
cpe:2.3:a:eyrie:pam-krb5:3.9:*:*:*:*:*:*:*
cpe:2.3:a:eyrie:pam-krb5:3.10:*:*:*:*:*:*:*
cpe:2.3:a:eyrie:pam-krb5:3.11:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools