Softphone Security Vulnerabilities

CVE-2006-0189

Buffer overflow in eStara Softphone 3.0.1.14 through 3.0.1.46 allows remote attackers to execute arbitrary code via a long attribute (aka "a") field in the SDP data of a SIP packet on UDP port 5060.

CVE-2006-0737

eStara SIP softphone allows remote attackers to cause a denial of service (crash) via a SIP OPTIONS request with a negative Expires field.

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 identi...

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.