Upstream information
Description
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.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having important severity.
| CVSS detail | National Vulnerability Database | 
|---|---|
| Base Score | 7.6 | 
| Vector | AV:N/AC:H/Au:N/C:C/I:C/A:C | 
| Access Vector | Network | 
| Access Complexity | High | 
| Authentication | None | 
| Confidentiality Impact | Complete | 
| Integrity Impact | Complete | 
| Availability Impact | Complete | 
SUSE Timeline for this CVE
CVE page created: Fri Jun 28 03:17:57 2013CVE page last modified: Mon Oct 6 18:14:56 2025