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CVE-2014-7221

Published: Jan 8, 2018Updated: Nov 21, 2024 Sources: CVE List NVDCWE-119
6.5MEDIUM
NVD MITRE
EPSS Score
11.0%
Top 4.4%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available
Self-Check
Not available

Description

TeamSpeak Client 3.0.14 and earlier allows remote authenticated users to cause a denial of service (buffer overflow and application crash) by connecting to a channel with a different client instance, and placing crafted data in the Chat/Server tab containing [img]//http:// substrings.

In plain language

AI Worth attention

TeamSpeak Client 3.0.14 and earlier can be crashed by a remote, already-authenticated user—so if your staff connect using an older TeamSpeak client, you should act, because it can cause service disruption.

Executive summary

CVE-2014-7221 is a buffer overflow–based denial of service in TeamSpeak Client; a remote authenticated user can trigger a client crash by connecting to a channel with a different client instance and sending crafted chat/server tab content containing specific image URL patterns (e.g., [img]//http://...).

If affected, business impact
Instant TeamSpeak client crashLoss of voice communicationMeeting disruption and downtimeAdmin time troubleshooting reconnects

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-119

Affected Products

teamspeak
commercialaka teamspeak3
teamspeak3On-prem
Communications / voip-telephony
and 1 more affected products View all →

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

http://www.securityfocus.com/bid/70219
securityfocus.com
https://exchange.xforce.ibmcloud.com/vulnerabilities/96889
exchange.xforce.ibmcloud.com
http://r4p3.net/forum/reverse-engineering/38/teamspeak-3-exploit-bb-code-freeze-crash-not-responding/905
r4p3.net
and 2 more references View all →

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