KPhone Malformed STUN Packet Denial Of Service Vulnerability

BID:10159

Info

KPhone Malformed STUN Packet Denial Of Service Vulnerability

Bugtraq ID: 10159
Class: Failure to Handle Exceptional Conditions
CVE:
Remote: Yes
Local: No
Published: Apr 08 2004 12:00AM
Updated: Apr 08 2004 12:00AM
Credit: Discovery is credited to STORM.
Vulnerable: KPhone KPhone 4.0.1
KPhone KPhone 3.14
KPhone KPhone 3.13
KPhone KPhone 3.12
KPhone KPhone 3.11
KPhone KPhone 3.1
KPhone KPhone 3.0
KPhone KPhone 2.11
KPhone KPhone 2.1
KPhone KPhone 2.0
Not Vulnerable: KPhone KPhone 4.0.2

Discussion

KPhone Malformed STUN Packet Denial Of Service Vulnerability

A denial of service vulnerability has been reported in KPhone. This issue may be triggered by a malformed SIP (Session Initiation Protocol) STUN message. This is due to insufficient validation of user-specified STUN packet attribute lengths, causing an out of bounds read and subsequent crash.

It is not known if this condition could be further exploited to execute arbitrary code, though it has been conjectured that it is not exploitable.

Exploit / POC

KPhone Malformed STUN Packet Denial Of Service Vulnerability

The following exploit was released:

Solution / Fix

KPhone Malformed STUN Packet Denial Of Service Vulnerability

Solution:
This issue has been addressed in KPhone 4.0.2.


KPhone KPhone 2.0

KPhone KPhone 2.1

KPhone KPhone 2.11

KPhone KPhone 3.0

KPhone KPhone 3.1

KPhone KPhone 3.11

KPhone KPhone 3.12

KPhone KPhone 3.13

KPhone KPhone 3.14

KPhone KPhone 4.0.1

References

KPhone Malformed STUN Packet Denial Of Service Vulnerability

References:
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