TrueConf Server 4.3.7 Stored cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.0$0-$5k0.12

Summaryinfo

A vulnerability has been found in TrueConf Server 4.3.7 and classified as problematic. This vulnerability affects unknown code. The manipulation leads to cross site scripting (Stored). This vulnerability was named CVE-2017-20113. The attack can be initiated remotely. Furthermore, there is an exploit available. It is recommended to upgrade the affected component. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability, which was classified as problematic, was found in TrueConf Server 4.3.7. This affects some unknown processing. The manipulation with an unknown input leads to a cross site scripting vulnerability (Stored). CWE is classifying the issue as CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. This is going to have an impact on integrity.

The weakness was disclosed 01/29/2017 by LiquidWorm as EDB-ID 41184 as confirmed exploit (Exploit-DB). It is possible to read the advisory at exploit-db.com. This vulnerability is uniquely identified as CVE-2017-20113. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

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

Upgrading to version 5.0.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (41184). The entries VDB-96628, VDB-96629, VDB-96630 and VDB-96631 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.0

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

NVD Base Score: 5.4
NVD Vector: 🔍

CNA Base Score: 3.5
CNA Vector (VulDB): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Stored
Class: Cross site scripting / Stored
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

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: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Upgrade: Server 5.0.2

Timelineinfo

01/29/2017 🔍
01/29/2017 +0 days 🔍
01/29/2017 +0 days 🔍
02/08/2017 +10 days 🔍
06/27/2022 +1964 days 🔍
03/24/2023 +270 days 🔍

Sourcesinfo

Advisory: EDB-ID 41184
Researcher: LiquidWorm
Status: Confirmed

CVE: CVE-2017-20113 (🔍)
GCVE (CVE): GCVE-0-2017-20113
GCVE (VulDB): GCVE-100-96627
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 02/08/2017 10:31 AM
Updated: 03/24/2023 09:07 PM
Changes: 02/08/2017 10:31 AM (44), 08/11/2020 05:22 PM (2), 06/27/2022 03:34 PM (5), 11/11/2022 11:54 PM (2), 11/12/2022 12:09 AM (28), 03/24/2023 09:07 PM (8)
Complete: 🔍
Cache ID: 18:3BB:40

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