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Vulnerability Details : CVE-2008-3825

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.
Publish Date : 2008-10-03 Last Update Date : 2011-02-17
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- CVSS Scores & Vulnerability Types

CVSS Score
4.4
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access User
Vulnerability Type(s) Gain privileges
CWE ID 264

- Vendor Statements

This issue did not affect the version of pam_krb5 shipped in Red Hat Enterprise Linux 2.1, 3, or 4.
Source: Redhat

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate 2008-07-31 2008-10-01
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2008-3825 oval:org.opensuse.security:def:20083825 unix
ELSA-2008:0907: pam_krb5 security update (Moderate) oval:org.mitre.oval:def:21807 unix
pam_krb5 2.2.14 in Red Hat Enterprise Linux (RHEL) 5 and earlier, when the existing_ticket option is enabled, uses incor... oval:org.mitre.oval:def:10923 unix
RHSA-2008:0907: pam_krb5 security update (Moderate) oval:com.redhat.rhsa:def:20080907 unix
Third party component updates for VMware vCenter Server, vCenter Update Manager, ESXi and ESX oval:org.mitre.oval:def:20311 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2008-3825

# Product Type Vendor Product Version Update Edition Language
1 OS Redhat Enterprise Linux 5 Unknown Server Version Details Vulnerabilities
2 OS Redhat Enterprise Linux Desktop 5 Unknown Client Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Redhat Enterprise Linux 1
Redhat Enterprise Linux Desktop 1

- References For CVE-2008-3825

http://lists.opensuse.org/opensuse-security-announce/2008-12/msg00002.html
SUSE SUSE-SR:2008:027
http://secunia.com/advisories/32135
SECUNIA 32135
http://secunia.com/advisories/32174
SECUNIA 32174
http://secunia.com/advisories/43314
SECUNIA 43314
http://www.redhat.com/support/errata/RHSA-2008-0907.html
REDHAT RHSA-2008:0907
http://www.mandriva.com/security/advisories?name=MDVSA-2008:209
MANDRIVA MDVSA-2008:209
http://www.securityfocus.com/bid/31534
BID 31534 pam_krb5 Existing Ticket Configuration Option Local Privilege Escalation Vulnerability Release Date:2009-06-29
http://www.securityfocus.com/archive/1/archive/1/516397/100/0/threaded
BUGTRAQ 20110211 VMSA-2011-0003 Third party component updates for VMware vCenter Server, vCenter Update Manager, ESXi and ESX
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00166.html
FEDORA FEDORA-2008-8618
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00150.html
FEDORA FEDORA-2008-8605
https://bugzilla.redhat.com/show_bug.cgi?id=461960 CONFIRM
http://secunia.com/advisories/32119
SECUNIA 32119
http://www.securitytracker.com/id?1020978
SECTRACK 1020978
http://www.vmware.com/security/advisories/VMSA-2011-0003.html CONFIRM
http://xforce.iss.net/xforce/xfdb/45635
XF pamkrb5-existingticket-privilege-escalation(45635)

- Metasploit Modules Related To CVE-2008-3825

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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