VDB-9434 · CVE-2013-4105 · OSVDB 94997

Cryptocat up to 2.0.21 Multiparty Encryption information disclosure

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.
6.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Cryptocat up to 2.0.21. The impacted element is an unknown function of the component Multiparty Encryption. Such manipulation leads to information disclosure. This vulnerability is traded as CVE-2013-4105. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Cryptocat up to 2.0.21. Affected by this issue is an unknown code block of the component Multiparty Encryption. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.

The weakness was shared 11/07/2012 by Mario Heiderich, Krzysztof Koktowicz and Maxim Rupp with Cure53 as confirmed blog post (Website). The advisory is available at blog.crypto.cat. The vendor cooperated in the coordination of the public release. This vulnerability is handled as CVE-2013-4105 since 06/12/2013. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

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

The vulnerability is also documented in the vulnerability database at OSVDB (94997†). blog.crypto.cat is providing further details. The entries VDB-9432, VDB-9433, VDB-9435 and VDB-9436 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Cryptocat 2.0.22

Timelineinfo

11/07/2012 🔍
11/07/2012 +0 days 🔍
06/12/2013 +217 days 🔍
07/11/2013 +29 days 🔍
05/18/2021 +2868 days 🔍

Sourcesinfo

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

CVE: CVE-2013-4105 (🔍)
GCVE (CVE): GCVE-0-2013-4105
GCVE (VulDB): GCVE-100-9434
OSVDB: 94997

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 07/11/2013 11:18
Updated: 05/18/2021 14:06
Changes: 07/11/2013 11:18 (47), 03/19/2019 16:46 (1), 05/18/2021 14:01 (2), 05/18/2021 14:06 (19)
Complete: 🔍
Committer: olku
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!