Buffer overflow in the Polycom SoundPoint IP 601 SIP phone with BootROM 3.0.x+ and SIP version 1.6.3.0067 allows remote attackers to cause a denial of service (device hang or reboot) via an INVITE message with a long Via header.
Polycom SoundPoint IP 301 VoIP Desktop Phone, firmware version 1.4.1.0040, allows remote attackers to cause a denial of service (reboot) via (1) a long URL sent to the HTTP daemon and (2) unspecified manipulations as demonstrated by the Nessus http_fingerprinting_hmap.nasl script.