Usermin 1.150 PAM Authentication improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Usermin 1.150. It has been declared as problematic. The impacted element is an unknown function of the component PAM Authentication Handler. Executing a manipulation can lead to improper authentication. This vulnerability is handled as CVE-2005-3042. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Usermin 1.150. This vulnerability affects some unknown processing of the component PAM Authentication Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, and integrity. CVE summarizes:

miniserv.pl in Webmin before 1.230 and Usermin before 1.160, when "full PAM conversations" is enabled, allows remote attackers to bypass authentication by spoofing session IDs via certain metacharacters (line feed or carriage return).

The bug was discovered 09/04/2005. The weakness was released 09/20/2005 by Keigo Yamazaki with Little eArth Corporation (Website). The advisory is shared for download at gentoo.org. This vulnerability was named CVE-2005-3042 since 09/22/2005. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 16 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 19816 (GLSA-200509-17 : Webmin, Usermin: Remote code execution through PAM authentication), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11887 (Webmin prior to 1.500 Multiple Vulnerabilities).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at webmin.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 4 days after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4093.

The vulnerability is also documented in the databases at Tenable (19816), SecurityFocus (BID 14889†), OSVDB (19575†), Secunia (SA16858†) and Vulnerability Center (SBV-9355†). Entries connected to this vulnerability are available at VDB-696, VDB-1755, VDB-2338 and VDB-2350. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 19816
Nessus Name: GLSA-200509-17 : Webmin, Usermin: Remote code execution through PAM authentication
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 55435
OpenVAS Name: Gentoo Security Advisory GLSA 200509-17 (Webmin Usermin)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: webmin.com
TippingPoint: 🔍

Timelineinfo

09/04/2005 🔍
09/20/2005 +16 days 🔍
09/20/2005 +0 days 🔍
09/20/2005 +0 days 🔍
09/20/2005 +0 days 🔍
09/20/2005 +0 days 🔍
09/22/2005 +1 days 🔍
09/22/2005 +0 days 🔍
09/24/2005 +2 days 🔍
10/05/2005 +11 days 🔍
10/10/2005 +5 days 🔍
07/04/2019 +5015 days 🔍

Sourcesinfo

Advisory: gentoo.org
Researcher: Keigo Yamazaki
Organization: Little eArth Corporation
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-3042 (🔍)
GCVE (CVE): GCVE-0-2005-3042
GCVE (VulDB): GCVE-100-1756
SecurityFocus: 14889 - Webmin / Usermin Remote PAM Authentication Bypass Vulnerability
Secunia: 16858 - Webmin / Usermin PAM Authentication Bypass Vulnerability, Moderately Critical
OSVDB: 19575 - Webmin/Usermin miniserv.pl Metacharacter PAM Authentication Bypass
Vulnerability Center: 9355 - Webmin <1.230 \x26 Usermin < 1.160 Authentication Bypass via Session IDs Spoofing, High
Vupen: ADV-2005-1791

See also: 🔍

Entryinfo

Created: 09/20/2005 17:42
Updated: 07/04/2019 14:27
Changes: 09/20/2005 17:42 (95), 07/04/2019 14:27 (1)
Complete: 🔍
Cache ID: 216:1AE:103

Once again VulDB remains the best source for vulnerability data.

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