Apache HTTP Server mod_auth_shadow race condition

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Apache HTTP Server. It has been rated as critical. Affected is an unknown function of the component mod_auth_shadow. This manipulation causes race condition. This vulnerability appears as CVE-2010-1151. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Apache HTTP Server (Web Server) (version unknown) and classified as critical. Affected by this vulnerability is an unknown function of the component mod_auth_shadow. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Race condition in the mod_auth_shadow module for the Apache HTTP Server allows remote attackers to bypass authentication, and read and possibly modify data, via vectors related to improper interaction with an external helper application for validation of credentials.

The weakness was presented 04/20/2010 as Bug 578168 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2010-1151. 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 pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/26/2025).

The vulnerability scanner Nessus provides a plugin with the ID 45566 (Mandriva Linux Security Advisory : apache-mod_auth_shadow (MDVSA-2010:081)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 118252 (Fedora Update for mod_auth_shadow (FEDORA-2010-6290)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (45566), SecurityFocus (BID 39538†) and Vulnerability Center (SBV-25515†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: Race condition
CWE: CWE-362
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: 45566
Nessus Name: Mandriva Linux Security Advisory : apache-mod_auth_shadow (MDVSA-2010:081)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 861944
OpenVAS Name: Fedora Update for mod_auth_shadow FEDORA-2010-6323
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/29/2010 🔍
04/09/2010 +11 days 🔍
04/09/2010 +0 days 🔍
04/19/2010 +10 days 🔍
04/20/2010 +1 days 🔍
04/20/2010 +0 days 🔍
04/25/2010 +5 days 🔍
03/19/2015 +1789 days 🔍
01/26/2025 +3601 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: Bug 578168
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-1151 (🔍)
GCVE (CVE): GCVE-0-2010-1151
GCVE (VulDB): GCVE-100-52843
SecurityFocus: 39538 - Apache mod_auth_shadow Race Condition Security Bypass Vulnerability
Vulnerability Center: 25515 - Apache Mod_Auth_Shadow module Remote Security Bypass Vulnerability, Medium

Entryinfo

Created: 03/19/2015 12:22
Updated: 01/26/2025 23:05
Changes: 03/19/2015 12:22 (58), 02/23/2017 10:44 (8), 09/08/2021 09:45 (3), 09/08/2021 09:48 (1), 01/26/2025 23:05 (16)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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