Webmin/Usermin 0.96 Authentication improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Webmin and Usermin 0.96. This impacts an unknown function of the component Authentication. This manipulation causes improper authentication. This vulnerability appears as CVE-2002-0757. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Webmin and Usermin 0.96 (Software Management Software) and classified as critical. Affected by this vulnerability is some unknown functionality of the component Authentication. 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, integrity, and availability. The summary by CVE is:

(1) Webmin 0.96 and (2) Usermin 0.90 with password timeouts enabled allow local and possibly remote attackers to bypass authentication and gain privileges via certain control characters in the authentication information, which can force Webmin or Usermin to accept arbitrary username/session ID combinations.

The bug was discovered 05/07/2002. The weakness was presented 08/12/2002 by Keigo Yamazaki as not defined posting (Bugtraq). It is possible to read the advisory at online.securityfocus.com. This vulnerability is known as CVE-2002-0757. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 14 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 13939 (Mandrake Linux Security Advisory : webmin (MDKSA-2002:033)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva 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. 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 (9037), Tenable (13939), SecurityFocus (BID 4700†), OSVDB (10802†) and Vulnerability Center (SBV-6386†). See VDB-18642 for similar entry. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 13939
Nessus Name: Mandrake Linux Security Advisory : webmin (MDKSA-2002:033)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/07/2002 🔍
05/08/2002 +1 days 🔍
05/21/2002 +13 days 🔍
08/12/2002 +83 days 🔍
08/12/2002 +0 days 🔍
08/12/2002 +0 days 🔍
07/31/2004 +719 days 🔍
12/12/2004 +134 days 🔍
07/22/2014 +3509 days 🔍
01/12/2025 +3827 days 🔍

Sourcesinfo

Advisory: online.securityfocus.com⛔
Researcher: Keigo Yamazaki
Status: Confirmed

CVE: CVE-2002-0757 (🔍)
GCVE (CVE): GCVE-0-2002-0757
GCVE (VulDB): GCVE-100-18643
X-Force: 9037
SecurityFocus: 4700 - Webmin / Usermin Authentication Bypass Vulnerability
OSVDB: 10802 - CVE-2002-0757 - Webmin and Usermin - Authentication Bypass Issue
Vulnerability Center: 6386 - Webmin and Usermin Allow Bypassing Authentication, Low

See also: 🔍

Entryinfo

Created: 07/22/2014 23:22
Updated: 01/12/2025 23:46
Changes: 07/22/2014 23:22 (68), 06/04/2019 06:49 (5), 01/12/2025 23:46 (20)
Complete: 🔍
Cache ID: 216::103

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