Mod Auth Shadow up to 1.0 mod_auth_shadow Remote Code Execution

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Mod Auth Shadow up to 1.0. Affected by this vulnerability is an unknown functionality of the component mod_auth_shadow. The manipulation leads to Remote Code Execution. This vulnerability is listed as CVE-2005-2963. In addition, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Mod Auth Shadow up to 1.0. This issue affects some unknown processing of the component mod_auth_shadow. The manipulation with an unknown input leads to a remote code execution vulnerability. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The mod_auth_shadow module 1.0 through 1.5 and 2.0 for Apache with AuthShadow enabled uses shadow authentication for all locations that use the require group directive, even when other authentication mechanisms are specified, which might allow remote authenticated users to bypass security restrictions.

The bug was discovered 08/05/2005. The weakness was presented 10/05/2005 by David Herselman (Website). It is possible to read the advisory at debian.org. The identification of this vulnerability is CVE-2005-2963 since 09/19/2005. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but an exploit is available.

After even before and not, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 61 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 20126 (Mandrake Linux Security Advisory : apache-mod_auth_shadow (MDKSA-2005:200)), 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.

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (22520), Tenable (20126), SecurityFocus (BID 15224†), OSVDB (19863†) and Secunia (SA17060†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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: Remote Code Execution
CWE: Unknown
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: 20126
Nessus Name: Mandrake Linux Security Advisory : apache-mod_auth_shadow (MDKSA-2005:200)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 55539
OpenVAS Name: Debian Security Advisory DSA 844-1 (mod-auth-shadow)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

08/05/2005 🔍
08/05/2005 +0 days 🔍
09/19/2005 +45 days 🔍
10/05/2005 +16 days 🔍
10/05/2005 +0 days 🔍
10/05/2005 +0 days 🔍
10/11/2005 +5 days 🔍
10/13/2005 +2 days 🔍
10/27/2005 +14 days 🔍
10/27/2005 +0 days 🔍
11/02/2005 +6 days 🔍
03/11/2015 +3416 days 🔍
06/10/2019 +1552 days 🔍

Sourcesinfo

Advisory: debian.org
Researcher: David Herselman
Status: Not defined

CVE: CVE-2005-2963 (🔍)
GCVE (CVE): GCVE-0-2005-2963
GCVE (VulDB): GCVE-100-26543
X-Force: 22520
SecurityFocus: 15224 - Apache Mod_Auth_Shadow Authentication Bypass Vulnerability
Secunia: 17060 - Apache mod_auth_shadow Module "require group" Incorrect Authentication, Less Critical
OSVDB: 19863 - mod_auth_shadow for Apache HTTP Server require group Authentication Bypass
Vulnerability Center: 9373 - mod_auth_shadow For Apache HTTP Authentication Security Bypass, High

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

Entryinfo

Created: 03/11/2015 23:39
Updated: 06/10/2019 10:22
Changes: 03/11/2015 23:39 (79), 06/10/2019 10:22 (2)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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