VDB-96633 · CVE-2017-20119 · EDB-ID 41184

TrueConf Server 4.3.7 change-lang redirect_url

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.
3.2	$0-$5k	0.07

A vulnerability classified as problematic has been found in TrueConf Server 4.3.7. This affects an unknown code block of the file /admin/general/change-lang. The manipulation of the argument redirect_url with an unknown input leads to a redirect vulnerability. CWE is classifying the issue as CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. This is going to have an impact on integrity.

The weakness was presented 01/29/2017 by LiquidWorm as EDB-ID 41184 as not defined exploit (Exploit-DB). The advisory is shared at exploit-db.com. This vulnerability is uniquely identified as CVE-2017-20119. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1204.001 for this issue.

A public exploit has been developed by LiquidWorm and been published immediately after the advisory. It is declared as proof-of-concept. The exploit is shared for download at exploit-db.com.

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

The vulnerability is also documented in the vulnerability database at Exploit-DB (41184). See 96627, 96628, 96629 and 96630 for similar entries.

Productinfo

Vendor

TrueConf

Name

Server

CPE 2.3info

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CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Redirect
CWE: CWE-601
ATT&CK: T1204.001

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: LiquidWorm
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

01/29/2017 🔍
01/29/2017 +0 days 🔍
01/29/2017 +0 days 🔍
02/08/2017 +10 days 🔍
06/27/2022 +1965 days 🔍

Sourcesinfo

Advisory: EDB-ID 41184
Researcher: LiquidWorm
Status: Not defined

CVE: CVE-2017-20119 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 02/08/2017 10:31 AM
Updated: 06/27/2022 03:35 PM
Changes: (5) software_vendor software_name exploit_price_0day source_cve cna_responsible
Complete: 🔍