VDB-9433 · CVE-2013-4106 · OSVDB 94996

Cryptocat up to 2.0.21 cross site scriting

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CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.07

A vulnerability classified as critical was found in Cryptocat up to 2.0.21. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-80. As an impact it is known to affect confidentiality, and integrity. An attacker might be able to inject arbitrary html and script code into the web site. This would alter the appearance and would make it possible to initiate further attacks against site visitors.

The weakness was presented 11/07/2012 by Mario Heiderich, Krzysztof Koktowicz and Maxim Rupp with Cure53 as confirmed blog post (Website). The advisory is shared at blog.crypto.cat. The public release was coordinated in cooperation with the project team. This vulnerability is known as CVE-2013-4106 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. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept.

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. See 9432, 9434, 9435 and 9436 for similar entries.

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VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.4
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔍
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Exploitinginfoedit

Class: Cross site scripting
CWE: CWE-80
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept

Price Prediction: 🔍
Current Price Estimation: 🔍

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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Exploit Delay Time: 🔍

Upgrade: Cryptocat 2.0.22

Timelineinfoedit

11/07/2012 🔍
11/07/2012 +0 days 🔍
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-2013-4106 (🔍)
OSVDB: 94996

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfoedit

Created: 07/11/2013 11:14 AM
Updated: 03/19/2019 04:59 PM
Changes: (2) source_cve_assigned vulnerability_cwe
Complete: 🔍
Committer: olku

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