TeamSpeak Server clientinit Command denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in TeamSpeak Server. This issue affects some unknown processing of the component clientinit Command Handler. The manipulation leads to denial of service. Furthermore, an exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in TeamSpeak Server (affected version unknown). This issue affects an unknown functionality of the component clientinit Command Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was published 08/12/2016 by Hanz Jenson as not defined mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. The vendor was not involved in the public release. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a private exploit is available. The advisory points out:

If we run the "clientinit" command twice, the server crashes with a failed assertion.

It is declared as proof-of-concept. The advisory illustrates:

This is unfortunately a DoS at best since the retrieved parameter is just compared against "clientinitiv", which isn't terribly useful.

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

Similar entries are available at VDB-90866, VDB-90867, VDB-90868 and VDB-90869. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept
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

08/12/2016 🔍
08/19/2016 +7 days 🔍
03/30/2019 +953 days 🔍

Sourcesinfo

Advisory: seclists.org
Researcher: Hanz Jenson
Status: Not defined

GCVE (VulDB): GCVE-100-90875
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/19/2016 14:13
Updated: 03/30/2019 23:46
Changes: 08/19/2016 14:13 (43), 03/30/2019 23:46 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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