Converse.js/Inverse.js up to 3.3 Chatroom Bookmark 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 (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Converse.js and Inverse.js up to 3.3. The impacted element is an unknown function of the component Chatroom Bookmark Handler. This manipulation causes information disclosure. This vulnerability appears as CVE-2018-6591. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Converse.js and Inverse.js up to 3.3 (JavaScript Library) and classified as problematic. Affected by this vulnerability is an unknown code of the component Chatroom Bookmark Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

Converse.js and Inverse.js through 3.3 allow remote attackers to obtain sensitive information because it is too difficult to determine whether safe publication of private data was configured or even intended. For example, users might have an expectation that chatroom bookmarks are private, but the various interacting software components do not necessarily make that happen.

The bug was discovered 02/14/2018. The weakness was presented 02/19/2018 (Website). The advisory is shared at gultsch.de. This vulnerability is known as CVE-2018-6591 since 02/02/2018. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/02/2018 🔍
02/14/2018 +12 days 🔍
02/19/2018 +5 days 🔍
02/19/2018 +0 days 🔍
02/20/2018 +1 days 🔍
01/07/2020 +686 days 🔍

Sourcesinfo

Advisory: gultsch.de
Status: Not defined

CVE: CVE-2018-6591 (🔍)
GCVE (CVE): GCVE-0-2018-6591
GCVE (VulDB): GCVE-100-113593

Entryinfo

Created: 02/20/2018 08:02
Updated: 01/07/2020 08:26
Changes: 02/20/2018 08:02 (56), 01/07/2020 08:26 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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