HIGH
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
Published Apr 26, 2007
7.6
HIGHCVSS 2.0
EPSS 23.88%
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
7.6 HIGH NVD
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
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
23.88% 0.23878
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.23878
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 23.88% (0.23878) | 97.76th | v5 (v2026.06.15) |
| Jun 15, 2026 | 23.88% (0.23878) | 97.54th | v5 (v2026.06.15) |
| Feb 4, 2026 | 48.99% (0.48991) | 97.68th | v4 (v2025.03.14) |
| Jan 11, 2026 | 45.59% (0.45595) | 97.50th | v4 (v2025.03.14) |
| Aug 1, 2025 | 40.71% (0.40706) | 97.27th | v4 (v2025.03.14) |
| May 1, 2025 | 18.39% (0.18388) | 94.88th | v4 (v2025.03.14) |
| Mar 19, 2025 | 36.78% (0.36776) | 96.67th | v4 (v2025.03.14) |
| Mar 17, 2025 | 32.28% (0.32280) | 96.45th | v4 (v2025.03.14) |
| Dec 30, 2024 | 96.53% (0.96532) | 99.74th | v3 (v2023.03.01) |
| Jun 21, 2024 | 95.45% (0.95453) | 99.39th | v3 (v2023.03.01) |
| Jan 21, 2024 | 95.63% (0.95625) | 99.28th | v3 (v2023.03.01) |
| Dec 14, 2023 | 95.65% (0.95646) | 99.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 95.67% (0.95674) | 98.98th | v3 (v2023.03.01) |
| Mar 6, 2023 | 40.59% (0.40588) | 98.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 40.59% (0.40588) | 97.48th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (11)
- http://secunia.com/advisories/24977 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://securityreason.com/securityalert/2645 third-party-advisoryx_refsource_SREASON
- http://www.asterisk.org/files/ASA-2007-010.pdf x_refsource_CONFIRM
- http://www.osvdb.org/35368 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/archive/1/466883/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/archive/1/472804/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/23648 vdb-entryx_refsource_BIDExploitPatch
- http://www.securitytracker.com/id?1017951 vdb-entryx_refsource_SECTRACKPatch
- http://www.securitytracker.com/id?1018337 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2007/1534 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/33895 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/24977 | third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory | |
| http://securityreason.com/securityalert/2645 | third-party-advisoryx_refsource_SREASON | |
| http://www.asterisk.org/files/ASA-2007-010.pdf | x_refsource_CONFIRM | |
| http://www.osvdb.org/35368 | vdb-entryx_refsource_OSVDB | |
| http://www.securityfocus.com/archive/1/466883/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/archive/1/472804/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/23648 | vdb-entryx_refsource_BIDExploitPatch | |
| http://www.securitytracker.com/id?1017951 | vdb-entryx_refsource_SECTRACKPatch | |
| http://www.securitytracker.com/id?1018337 | vdb-entryx_refsource_SECTRACK | |
| http://www.vupen.com/english/advisories/2007/1534 | vdb-entryx_refsource_VUPEN | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/33895 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Apr 26, 2007
Updated Aug 7, 2024
Reserved Apr 26, 2007
Link CVE-2007-2293
CISA Vulnrichment
Updated n/a