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Vulnerability record · CVE-2007-2293 · published 26 April 2007

CVE-2007-2293: Asterisk vulnerability

Asterisk · Asterisk

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.

7.6 CVSS 2.0 High EPSS 24% · top 2.2%
7.6CVSS 2.0 base score
24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
22References, 2 tagged exploit
16 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/24977 PatchVendor Advisory
http://securityreason.com/securityalert/2645
http://www.asterisk.org/files/ASA-2007-010.pdf
http://www.osvdb.org/35368
http://www.securityfocus.com/archive/1/466883/100/0/threaded
http://www.securityfocus.com/archive/1/472804/100/0/threaded
http://www.securityfocus.com/bid/23648 ExploitPatch
http://www.securitytracker.com/id?1017951 Patch
http://www.securitytracker.com/id?1018337
http://www.vupen.com/english/advisories/2007/1534
https://exchange.xforce.ibmcloud.com/vulnerabilities/33895
http://secunia.com/advisories/24977 PatchVendor Advisory
http://securityreason.com/securityalert/2645
http://www.asterisk.org/files/ASA-2007-010.pdf
http://www.osvdb.org/35368
http://www.securityfocus.com/archive/1/466883/100/0/threaded
http://www.securityfocus.com/archive/1/472804/100/0/threaded
http://www.securityfocus.com/bid/23648 ExploitPatch
http://www.securitytracker.com/id?1017951 Patch
http://www.securitytracker.com/id?1018337
http://www.vupen.com/english/advisories/2007/1534
https://exchange.xforce.ibmcloud.com/vulnerabilities/33895

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2007-2293), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.