Eyrie pam-krb5 up to 3.12 Configuration File improper authentication

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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Eyrie pam-krb5 up to 3.12. It has been classified as problematic. This affects an unknown function of the component Configuration File. Performing a manipulation results in improper authentication. This vulnerability is reported as CVE-2009-0360. Moreover, an exploit is present. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Eyrie pam-krb5 up to 3.12. It has been classified as critical. This affects an unknown code block of the component Configuration File. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Russ Allbery pam-krb5 before 3.13, when linked against MIT Kerberos, does not properly initialize the Kerberos libraries for setuid use, which allows local users to gain privileges by pointing an environment variable to a modified Kerberos configuration file, and then launching a PAM-based setuid application.

The bug was discovered 02/11/2009. The weakness was disclosed 02/13/2009 by Russ Allbery (Website). It is possible to read the advisory at vupen.com. This vulnerability is uniquely identified as CVE-2009-0360 since 01/29/2009. The exploitability is told to be difficult. Attacking locally is a requirement. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Jon Oberheide in ANSI C and been published 2 months after the advisory. The exploit is shared for download at securityfocus.com. 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 2.1 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 (48735), Exploit-DB (8303), Tenable (35662), SecurityFocus (BID 33740†) and OSVDB (54343†). The entry VDB-46528 is pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.4
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Jon Oberheide
Programming Language: 🔍
Download: 🔍

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: 🔍
Nessus Port: 🔍

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

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: pam-krb5 2.1

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 🔍
03/29/2009 +41 days 🔍
03/29/2009 +0 days 🔍
03/17/2015 +2179 days 🔍
12/21/2024 +3567 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Researcher: Russ Allbery
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-0360 (🔍)
GCVE (CVE): GCVE-0-2009-0360
GCVE (VulDB): GCVE-100-46527

OVAL: 🔍

X-Force: 48735
SecurityFocus: 33740 - pam-krb5 Local Privilege Escalation Vulnerability
Secunia: 33914
OSVDB: 54343 - pam-krb5 - Local Privilege Escalation Issue
SecurityTracker: 1021711
Vulnerability Center: 20884 - Russ Allbery Pam-krb5 < 3.13 Local Privilege Escalation and Authentication Bypassing Vulnerability, Medium
Vupen: ADV-2009-0410

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 12/21/2024 04:55
Changes: 03/17/2015 16:11 (84), 08/27/2019 10:23 (12), 12/21/2024 04:55 (16)
Complete: 🔍
Cache ID: 216::103

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