mod_auth_mellon up to 0.11.0 POST Data ap_get_client_block input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in mod_auth_mellon up to 0.11.0. This affects the function ap_get_client_block of the component POST Data Handler. The manipulation results in input validation. This vulnerability was named CVE-2016-2145. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in mod_auth_mellon up to 0.11.0. Affected is the function ap_get_client_block of the component POST Data Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on availability. CVE summarizes:

The am_read_post_data function in mod_auth_mellon before 0.11.1 does not check if the ap_get_client_block function returns an error, which allows remote attackers to cause a denial of service (segmentation fault and process crash) via a crafted POST data.

The weakness was presented 04/15/2016 (Website). The advisory is available at sympa.uninett.no. This vulnerability is traded as CVE-2016-2145 since 01/28/2016. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 90038 (Fedora 23 : mod_auth_mellon-0.11.1-1.fc23 (2016-5cf6959198)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276003 (Fedora Security Update for mod_auth_mellon (FEDORA-2016-5cf6959198)).

Upgrading to version 0.11.1 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 vulnerability database at Tenable (90038). See VDB-82459 for similar entry. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 90038
Nessus Name: Fedora 23 : mod_auth_mellon-0.11.1-1.fc23 (2016-5cf6959198)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for mod_auth_mellon FEDORA-2016-5
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: mod_auth_mellon 0.11.1
Patch: github.com

Timelineinfo

01/28/2016 🔍
03/18/2016 +50 days 🔍
03/20/2016 +2 days 🔍
04/15/2016 +25 days 🔍
04/15/2016 +0 days 🔍
04/17/2016 +2 days 🔍
07/25/2022 +2290 days 🔍

Sourcesinfo

Advisory: FEDORA-2016-5cf6959198
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-2145 (🔍)
GCVE (CVE): GCVE-0-2016-2145
GCVE (VulDB): GCVE-100-82458
See also: 🔍

Entryinfo

Created: 04/17/2016 19:11
Updated: 07/25/2022 07:14
Changes: 04/17/2016 19:11 (55), 10/11/2018 13:14 (18), 07/25/2022 07:14 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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