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. |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
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. 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.
Upgrading to version 2.0.22 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
blog.crypto.cat is providing further details. The entries 9432, 9433, 9435 and 9436 are related to this item.
Product
Name
CPE 2.3
CPE 2.2
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 🔍 | 🔍 | 🔍 | 🔍 | 🔍 | 🔍 |
| 🔍 | 🔍 | 🔍 | 🔍 | 🔍 | 🔍 |
| 🔍 | 🔍 | 🔍 | 🔍 | 🔍 | 🔍 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| unlock | unlock | unlock | unlock | unlock | unlock |
| unlock | unlock | unlock | unlock | unlock | unlock |
| unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | unlock | unlock | unlock | unlock |
|---|---|---|---|---|
| Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Threat: 🔍Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Cryptocat 2.0.22
Timeline
11/07/2012 🔍11/07/2012 🔍
06/12/2013 🔍
07/11/2013 🔍
03/19/2019 🔍
Sources
Advisory: blog.crypto.catResearcher: Mario Heiderich/Krzysztof Koktowicz/Maxim Rupp
Organization: Cure53
Status: Confirmed
Coordinated: 🔍
CVE: CVE-2013-4105 (🔍)
OSVDB: 94997
Misc.: 🔍
See also: 🔍
Entry
Created: 07/11/2013 11:18 AMUpdated: 03/19/2019 04:46 PM
Changes: (1) source_cve_assigned
Complete: 🔍
Committer: olku
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