eStara "Content-Length" denial of service
| estara-content-length-dos (24679) |  Low Risk |
Description:
eStara Softphone is vulnerable to a denial of service attack caused by the improper bounds checking of the "Content-Length" header. A remote attacker could exploit this vulnerability to overflow a buffer and cause the victim's Softphone client to crash by sending an INVITE request with a "Content-Length" header with a length greater than 9.
Platforms Affected:
- eStara, eStara Softphone
Remedy:
No remedy available as of July 4, 2009.
Consequences:
Denial of Service
References:
- BugTraq Mailing List, Mon Feb 13 2006 - 20:42:46 CST, eStara SIP softphone several message-processing vulnerabilities at http://archives.neohapsis.com/archives/bugtraq/2006-02/0193.html.
- eStara Web site, eStara: SoftPhone at http://www.estara.com/softphone/.
- BID-16629: eStara Softphone Multiple Denial of Service Vulnerabilities
- CVE-2006-0739: eStara SIP softphone allows remote attackers to cause a denial of service (crash) via an INVITE request with a Content-Length field that has more than 9 digits.
- SA18872: eStara SoftPhone SIP Packet Handling Denial of Service
- VUPEN/ADV-2006-0607: eStara SoftPhone SIP Buffer Overflow and Format String Vulnerabilities
Reported:
Feb 13, 2006
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