Mono 2.10.x ASP.NET Web Form Hash input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Mono 2.10.x. The impacted element is an unknown function of the component ASP.NET Web Form Hash Handler. The manipulation leads to input validation. This vulnerability is documented as CVE-2012-3543. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mono 2.10.x and classified as problematic. This issue affects an unknown functionality of the component ASP.NET Web Form Hash Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is availability. The summary by CVE is:

mono 2.10.x ASP.NET Web Form Hash collision DoS

The weakness was released 11/21/2019 by Marcus Meissner. The identification of this vulnerability is CVE-2012-3543 since 06/14/2012. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 74098 (GLSA-201405-16 : Mono: Denial of Service), 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 196048 (Ubuntu Security Notification for Mono Vulnerabilities (USN-2547-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (74098), SecurityFocus (BID 55251†) and OSVDB (85008†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: 74098
Nessus Name: GLSA-201405-16 : Mono: Denial of Service
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 810002
OpenVAS Name: Gentoo Linux Local Check: https://security.gentoo.org/glsa/201405-16
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/14/2012 🔍
08/29/2012 +76 days 🔍
05/18/2014 +627 days 🔍
05/20/2014 +2 days 🔍
11/21/2019 +2011 days 🔍
11/22/2019 +1 days 🔍
01/17/2025 +1883 days 🔍

Sourcesinfo

Advisory: USN-2547-1
Researcher: Marcus Meissner
Status: Confirmed

CVE: CVE-2012-3543 (🔍)
GCVE (CVE): GCVE-0-2012-3543
GCVE (VulDB): GCVE-100-146021
SecurityFocus: 55251 - Mono ASP.NET Web Form Hash Collision Denial of Service Vulnerability
OSVDB: 85008

Entryinfo

Created: 11/22/2019 06:36
Updated: 01/17/2025 03:30
Changes: 11/22/2019 06:36 (39), 11/22/2019 06:41 (31), 02/26/2024 08:16 (5), 01/17/2025 03:30 (19)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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