2021-37601 | Prosody muc.lib.lua 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.

5.3 $0-$5k 0.22

A vulnerability was found in Prosody up to 0.11.9. It has been rated as problematic. Affected by this issue is an unknown code in the library muc.lib.lua. 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. CVE summarizes:

muc.lib.lua in Prosody 0.11.0 through 0.11.9 allows remote attackers to obtain sensitive information (list of admins, members, owners, and banned entities of a Multi-User chat room) in some common configurations.

The weakness was disclosed 07/31/2021. The advisory is shared for download at prosody.im. This vulnerability is handled as CVE-2021-37601 since 07/28/2021. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/06/2021).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Name

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

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: 🔍
Class: Information disclosure
CWE: 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 Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

07/28/2021 CVE assigned
07/31/2021 +3 days Advisory disclosed
07/31/2021 +0 days VulDB entry created
08/06/2021 +6 days VulDB last updateAdvisory: prosody.im
Status: Confirmed

CVE: CVE-2021-37601 (🔒)

Created: 07/31/2021 17:46
Updated: 08/06/2021 04:10
Changes: (1) source_cve_cna
Complete: 🔍

Comments

Download it now for free!



Source link