Linux Kernel PAM Authentication getlogin authentication spoofing

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Linux Kernel. This impacts the function getlogin of the component PAM Authentication. The manipulation results in authentication spoofing. This vulnerability was named CVE-2003-0388. The attack needs to be approached within the local network. In addition, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Linux Kernel (Operating System) (the affected version unknown). Affected is the function getlogin of the component PAM Authentication. The manipulation with an unknown input leads to a authentication spoofing vulnerability. CWE is classifying the issue as CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

pam_wheel in Linux-PAM 0.78, with the trust option enabled and the use_uid option disabled, allows local users to spoof log entries and gain privileges by causing getlogin() to return a spoofed user name.

The bug was discovered 06/16/2003. The weakness was presented 06/17/2003 by Karol Wiesek with iDEFENSE (Website). The advisory is shared for download at idefense.com. This vulnerability is traded as CVE-2003-0388 since 06/09/2003. The attack needs to be done within the local network. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 14310 (RHEL 2.1 : pam (RHSA-2004:304)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at cvs.sourceforge.net. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (12313), Exploit-DB (22781), Tenable (14310), SecurityFocus (BID 7929†) and OSVDB (9027†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.4
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Authentication spoofing
CWE: CWE-290 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 14310
Nessus Name: RHEL 2.1 : pam (RHSA-2004:304)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: cvs.sourceforge.net

Timelineinfo

06/09/2003 🔍
06/16/2003 +7 days 🔍
06/16/2003 +0 days 🔍
06/16/2003 +0 days 🔍
06/17/2003 +1 days 🔍
06/17/2003 +0 days 🔍
07/24/2003 +37 days 🔍
08/18/2004 +391 days 🔍
08/18/2004 +0 days 🔍
01/20/2011 +2346 days 🔍
11/09/2024 +5042 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: idefense.com⛔
Researcher: Karol Wiesek
Organization: iDEFENSE
Status: Confirmed

CVE: CVE-2003-0388 (🔍)
GCVE (CVE): GCVE-0-2003-0388
GCVE (VulDB): GCVE-100-108
X-Force: 12313
SecurityFocus: 7929 - Linux-PAM Pam_Wheel Module getlogin() Username Spoofing Privileged Escalation Vulnerability
OSVDB: 9027 - Linux-PAM pam_wheel module could allow an attacker to spoof a user
SecuriTeam: securiteam.com
Vulnerability Center: 29307 - Pam_wheel in Linux-PAM <0.78 Local Privilege Escalation Vulnerability, Low

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

Entryinfo

Created: 06/17/2003 02:00
Updated: 11/09/2024 07:45
Changes: 06/17/2003 02:00 (81), 06/25/2019 21:50 (6), 11/09/2024 07:45 (27)
Complete: 🔍
Cache ID: 216:D5D:103

Once again VulDB remains the best source for vulnerability data.

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