Eyrie pam-krb5 up to 3.12 Setuid access control

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Eyrie pam-krb5 up to 3.12. It has been declared as problematic. This impacts an unknown function of the component Setuid. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2009-0361. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Eyrie pam-krb5 up to 3.12. It has been declared as problematic. This vulnerability affects some unknown processing of the component Setuid. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The bug was discovered 02/11/2009. The weakness was presented 02/13/2009 (Website). The advisory is shared for download at vupen.com. This vulnerability was named CVE-2009-0361 since 01/29/2009. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 35662 (Debian DSA-1721-1 : libpam-krb5 - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 185079 (HP-UX Running PAM Kerberos Multiple Vulnerabilities (HPSBUX02415)).

Upgrading to version 3.12 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (48737), Tenable (35662), SecurityFocus (BID 33741†), OSVDB (54344†) and Secunia (SA33914†). See VDB-46527 for similar entry. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.9
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 35662
Nessus Name: Debian DSA-1721-1 : libpam-krb5 - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 63395
OpenVAS Name: Debian Security Advisory DSA 1721-1 (libpam-krb5)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: pam-krb5 3.12

Timelineinfo

01/29/2009 🔍
02/11/2009 +13 days 🔍
02/11/2009 +0 days 🔍
02/11/2009 +0 days 🔍
02/11/2009 +0 days 🔍
02/12/2009 +1 days 🔍
02/13/2009 +1 days 🔍
02/13/2009 +0 days 🔍
02/13/2009 +0 days 🔍
02/16/2009 +3 days 🔍
03/17/2015 +2220 days 🔍
08/27/2019 +1624 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-0361 (🔍)
GCVE (CVE): GCVE-0-2009-0361
GCVE (VulDB): GCVE-100-46528

OVAL: 🔍

X-Force: 48737
SecurityFocus: 33741 - pam-krb5 'KRB5CCNAME' Environment Variable Local Privilege Escalation Vulnerability
Secunia: 33914
OSVDB: 54344 - CVE-2009-0361 - pam-krb5 - File Modification Issue
SecurityTracker: 1021711
Vulnerability Center: 20882 - Russ Allbery Pam-krb5 < 3.13 KRB5CCNAME Local DoS and Privilege Escalation Vulnerability, Medium
Vupen: ADV-2009-0410

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/27/2019 10:14
Changes: 03/17/2015 16:11 (73), 08/27/2019 10:14 (12)
Complete: 🔍
Cache ID: 216::103

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