VDB-9439 · CVE-2013-4100 · OSVDB 95002

Cryptocat up to 2.0.21 Username denial of service

entryeditHistoryDiffjsonxmlCTI
CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.2$0-$5k0.00

A vulnerability was found in Cryptocat up to 2.0.21. It has been declared as critical. Affected by this vulnerability is an unknown part. The manipulation of the argument Username with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. As an impact it is known to affect availability.

The weakness was shared 11/07/2012 by Mario Heiderich, Krzysztof Koktowicz and Maxim Rupp with Cure53 as confirmed bulletin (Website). It is possible to read the advisory at blog.crypto.cat. The vendor cooperated in the coordination of the public release. This vulnerability is known as CVE-2013-4100 since 06/12/2013. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 2.0.22 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Additional details are provided at blog.crypto.cat. The entries 9432, 9433, 9434 and 9435 are related to this item.

Productinfoedit

Name

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

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

CVSSv2infoedit

AVACAuCIA
🔍🔍🔍🔍🔍🔍
🔍🔍🔍🔍🔍🔍
🔍🔍🔍🔍🔍🔍
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

Exploitinginfoedit

Class: Denial of service (CWE-404)
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

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

Upgrade: Cryptocat 2.0.22

Timelineinfoedit

11/07/2012 🔍
11/07/2012 +0 days 🔍
06/12/2013 +217 days 🔍
07/11/2013 +29 days 🔍
03/19/2019 +2077 days 🔍

Sourcesinfoedit

Advisory: blog.crypto.cat
Researcher: Mario Heiderich/Krzysztof Koktowicz/Maxim Rupp
Organization: Cure53
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-4100 (🔍)
OSVDB: 95002

Misc.: 🔍
See also: 🔍

Entryinfoedit

Created: 07/11/2013 11:41 AM
Updated: 03/19/2019 04:17 PM
Changes: (2) source_cve_assigned vulnerability_cwe
Complete: 🔍
Committer: olku

Comments

No comments yet. Please log in to comment.

Might our Artificial Intelligence support you?

Check our Alexa App!