Multiple stack-based buffer overflows in the process_sdp function in chan_sip.c of the SIP channel T.38 SDP parser in Asterisk before 1.4.3 allow remote attackers to execute arbitrary code via a long (1) T38FaxRateManagement or (2) T38FaxUdpEC SDP parameter in an SIP message, as demonstrated using SIP INVITE.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Asterisk | Asterisk | 1.4.1 (including) | 1.4.1 (including) |
| Asterisk | Asterisk | 1.4.2 (including) | 1.4.2 (including) |
| Asterisk | Asterisk | 1.4_beta (including) | 1.4_beta (including) |