eStara SDP format string
| estara-sdp-format-string (24678) |  Low Risk |
Description:
eStara Softphone is vulnerable to a denial of service attack caused by a format string vulnerability when handling Session Description Protocol (SDP) messages. A remote attacker could exploit this vulnerability by embedding malicious format strings in a SDP message to cause the victim's Softphone client to become unresponsive.
*CVSS:
| Base Score: | 3.5 |
| Access Vector: | Remote |
| Access Complexity: | Low |
| Authentication: | Not Required |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Partial |
| Temporal Score: | 2.8 |
| Exploitability: | Unproven |
| Remediation Level: | Unavailable |
| Report Confidence: | Uncorroborated |
Consequences:
Denial of Service
Remedy:
No remedy available as of July 9, 2011.
References:
- BugTraq Mailing List, Mon Feb 13 2006 - 20:42:46 CST: eStara SIP softphone several message-processing vulnerabilities.
- eStara Web site: eStara: SoftPhone.
- BID-16629: eStara Softphone Multiple Denial of Service Vulnerabilities
- CVE-2006-0738: Multiple format string vulnerabilities in eStara SIP softphone allow remote attackers to cause a denial of service (hang) via SIP INVITE requests with format string specifiers in the SDP session description, as demonstrated using (1) the field name, (2) the o field (owner/creator and session identifier), or (3) the m field (media name and transport address).
- SA18872: eStara SoftPhone SIP Packet Handling Denial of Service
- VUPEN/ADV-2006-0607: eStara SoftPhone SIP Buffer Overflow and Format String Vulnerabilities
Platforms Affected:
- eStara eStara Softphone
Reported:
Feb 13, 2006
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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.