Humhub Social Network Kit Enterprise 1.3.13 /u/ Username 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 was found in Humhub Social Network Kit Enterprise 1.3.13. It has been rated as problematic. This affects an unknown part of the file /u/. This manipulation causes information disclosure (Username). This vulnerability appears as CVE-2019-12743. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in Humhub Social Network Kit Enterprise 1.3.13 (Social Network Software). Affected by this vulnerability is an unknown function of the file /u/. The manipulation with an unknown input leads to a information disclosure vulnerability (Username). 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:

HumHub Social Network Kit Enterprise v1.3.13 allows remote attackers to find the user accounts existing on any Social Network Kits (including self-hosted ones) by brute-forcing the username after the /u/ initial URI substring, aka Response Discrepancy Information Exposure.

The weakness was presented 07/29/2019. This vulnerability is known as CVE-2019-12743 since 06/05/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

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

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Productinfo

Type

Vendor

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

Name: Username
Class: Information disclosure / Username
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

06/05/2019 🔍
07/29/2019 +54 days 🔍
07/30/2019 +1 days 🔍
11/13/2023 +1567 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2019-12743 (🔍)
GCVE (CVE): GCVE-0-2019-12743
GCVE (VulDB): GCVE-100-138943

Entryinfo

Created: 07/30/2019 08:35
Updated: 11/13/2023 17:04
Changes: 07/30/2019 08:35 (36), 07/15/2020 10:26 (18), 11/13/2023 17:04 (3)
Complete: 🔍
Cache ID: 216::103

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