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).
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Softphone | Estara | * | 3.0.1.47 (including) |