National Vulnerability Database (NVD) National Vulnerability Database (CVE-2008-3825)

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NVD contains:

CVE Vulnerabilities: 38426
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OVAL Queries: 2517
CPE Names: 17819

Last updated: Tue Aug 25 11:00:07 EDT 2009

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NIST Security Configuration Checklists - CSD

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Vulnerability Summary for CVE-2008-3825

Original release date:10/03/2008

Last revised:03/03/2009

Source: US-CERT/NIST

Overview

pam_krb5 2.2.14 in Red Hat Enterprise Linux (RHEL) 5 and earlier, when the existing_ticket option is enabled, uses incorrect privileges when reading a Kerberos credential cache, which allows local users to gain privileges by setting the KRB5CCNAME environment variable to an arbitrary cache filename and running the (1) su or (2) sudo program. NOTE: there may be a related vector involving sshd that has limited relevance.

Impact

CVSS Severity (version 2.0):

CVSS v2 Base Score:4.4 (MEDIUM) (AV:L/AC:M/Au:N/C:P/I:P/A:P) (legend)

Impact Subscore: 6.4

Exploitability Subscore: 3.4

CVSS Version 2 Metrics:

Access Vector: Locally exploitable

Access Complexity: Medium

Authentication: Not required to exploit

Impact Type:Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

Vendor Statments (disclaimer)

Official Statement from Red Hat (01/01/1900): This issue did not affect the version of pam_krb5 shipped in Red Hat Enterprise Linux 2.1, 3, or 4.

References to Advisories, Solutions, and Tools

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External Source: FEDORA

Name: FEDORA-2008-8618

Hyperlink:https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00166.html

External Source: FEDORA

Name: FEDORA-2008-8605

Hyperlink:https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00150.html

External Source: CONFIRM

Name: https://bugzilla.redhat.com/show_bug.cgi?id=461960

Hyperlink:https://bugzilla.redhat.com/show_bug.cgi?id=461960

External Source: XF

Name: pamkrb5-existingticket-privilege-escalation(45635)

Hyperlink:http://xforce.iss.net/xforce/xfdb/45635