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CVE-2007-2293

HighPublished

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...

Published: Apr 26, 2007
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Mar 21, 2007

Primary CVSS

7.6/ 10High

nvd · CVSS 2.0

AV:N/AC:H/Au:N/C:C/I:C/A:C

EPSS probability estimate

23.9%

Moderate · next 30 days

Percentile: 97.8%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

Asterisk 1.4 SIP T.38 SDP - Parsing Remote Stack Buffer Overflow (PoC) (1)Exploit
Barrie Dempster · multiple · Mar 21, 2007
Asterisk 1.4 SIP T.38 SDP - Parsing Remote Stack Buffer Overflow (PoC) (2)Exploit
Barrie Dempster · multiple · Mar 21, 2007

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