Linksys SPA921 VoIP Phone HTTP Server Denial Of Service Vulnerabilities

BID:20346

Info

Linksys SPA921 VoIP Phone HTTP Server Denial Of Service Vulnerabilities

Bugtraq ID: 20346
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2006-7121
Remote: Yes
Local: No
Published: Oct 04 2006 12:00AM
Updated: Jul 06 2016 02:40PM
Credit: Shawn Merdinger discovered this issue.
Vulnerable: Linksys SPA921 VoIP Phone 0
Not Vulnerable:

Discussion

Linksys SPA921 VoIP Phone HTTP Server Denial Of Service Vulnerabilities

Linksys SPA921 VoIP phones are prone to denial-of-service vulnerabilities because the devices fail to properly handle large user-supplied input values in HTTP traffic.

Exploiting this issue allows remote attackers to crash and reboot affected devices, denying service to legitimate users.

Exploit / POC

Linksys SPA921 VoIP Phone HTTP Server Denial Of Service Vulnerabilities

Attackers can exploit this issue via a browser.

Solution / Fix

Linksys SPA921 VoIP Phone HTTP Server Denial Of Service Vulnerabilities

Solution:
Currently we are not aware of any vendor-supplied patches for these issues. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

References

Linksys SPA921 VoIP Phone HTTP Server Denial Of Service Vulnerabilities

References:

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