MEDIUM
The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request
Published Sep 9, 2013
5.0
MEDIUMCVSS 2.0
EPSS 11.65%
Description
The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.
Affected products
No data.
OR
- 1.8.17.0
- 1.8.17.0
- 1.8.17.0
- 1.8.17.0
- 1.8.18.0
- 1.8.18.0
- 1.8.18.1
- 1.8.19.0
- 1.8.19.0
- 1.8.19.0
- 1.8.19.1
- 1.8.20.0
- 1.8.20.0
- 1.8.20.0
- 1.8.21.0
- 1.8.21.0
- 1.8.22.0
- 1.8.22.0
- 1.8.22.0
- 1.8.23.0
- 1.8.23.0
- 1.8.23.0
- 10.10.0
- 10.10.0
- 10.10.0
- 10.11.0
- 10.11.0
- 10.11.0
- 10.11.0
- 10.12.0
- 10.12.0
- 10.12.0
- 10.12.1
- 10.12.2
- 11.0.0
- 11.0.0
- 11.0.0
- 11.0.0
- 11.0.0
- 11.0.1
- 11.0.2
- 11.1.0
- 11.1.0
- 11.1.0
- 11.1.1
- 11.1.2
- 11.2.0
- 11.2.0
- 11.3.0
- 11.3.0
- 11.4.0
- 11.4.0
- 11.4.0
- 11.4.0
- 11.5.0
- 11.5.0
- 11.5.0
- 11.5.1
- 10.0.0
- 10.0.0
- 10.0.0
- 10.11.0
- 10.11.0
- 10.11.0
- 10.11.0
- 10.12.0
- 10.12.0
- 10.12.0
- 10.12.1
- 10.12.2
- 1.8.15
- 1.8.15
- 1.8.15
- 1.8.15
- 1.8.15
- 1.8.15
- 1.8.15
- 11.2.0
- 11.2.0
- 11.2.0
- 11.2.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
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.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
11.65% 0.11653
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.11653
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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 11.65% (0.11653) | 95.94th | v5 (v2026.06.15) |
| Jun 15, 2026 | 11.65% (0.11653) | 95.49th | v5 (v2026.06.15) |
| Dec 28, 2025 | 5.08% (0.05078) | 89.45th | v4 (v2025.03.14) |
| Dec 27, 2025 | 3.73% (0.03732) | 87.68th | v4 (v2025.03.14) |
| Oct 28, 2025 | 5.08% (0.05078) | 89.29th | v4 (v2025.03.14) |
| Oct 27, 2025 | 3.73% (0.03732) | 87.51th | v4 (v2025.03.14) |
| Oct 1, 2025 | 5.08% (0.05078) | 89.39th | v4 (v2025.03.14) |
| Jul 30, 2025 | 3.73% (0.03732) | 87.55th | v4 (v2025.03.14) |
| Apr 25, 2025 | 5.08% (0.05078) | 89.19th | v4 (v2025.03.14) |
| Mar 30, 2025 | 24.77% (0.24766) | 95.68th | v4 (v2025.03.14) |
| Mar 29, 2025 | 34.22% (0.34217) | 95.31th | v4 (v2025.03.14) |
| Mar 17, 2025 | 24.77% (0.24766) | 95.68th | v4 (v2025.03.14) |
| Feb 4, 2025 | 40.29% (0.40294) | 97.36th | v3 (v2023.03.01) |
| Dec 17, 2024 | 44.70% (0.44699) | 97.45th | v3 (v2023.03.01) |
| Sep 8, 2023 | 37.28% (0.37278) | 96.69th | v3 (v2023.03.01) |
| Apr 22, 2023 | 44.94% (0.44940) | 96.83th | v3 (v2023.03.01) |
| Mar 7, 2023 | 55.40% (0.55397) | 97.05th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
Weaknesses (1)
References (10)
- http://archives.neohapsis.com/archives/bugtraq/2013-08/0174.html mailing-listx_refsource_BUGTRAQ
- http://downloads.asterisk.org/pub/security/AST-2013-005.html x_refsource_CONFIRMPatchVendor Advisory
- http://osvdb.org/96690 vdb-entryx_refsource_OSVDB
- http://secunia.com/advisories/54534 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/54617 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2013/dsa-2749 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:223 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/bid/62022 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1028957 vdb-entryx_refsource_SECTRACK
- https://issues.asterisk.org/jira/browse/ASTERISK-22007 x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/bugtraq/2013-08/0174.html | mailing-listx_refsource_BUGTRAQ | |
| http://downloads.asterisk.org/pub/security/AST-2013-005.html | x_refsource_CONFIRMPatchVendor Advisory | |
| http://osvdb.org/96690 | vdb-entryx_refsource_OSVDB | |
| http://secunia.com/advisories/54534 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://secunia.com/advisories/54617 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.debian.org/security/2013/dsa-2749 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.mandriva.com/security/advisories?name=MDVSA-2013:223 | vendor-advisoryx_refsource_MANDRIVA | |
| http://www.securityfocus.com/bid/62022 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1028957 | vdb-entryx_refsource_SECTRACK | |
| https://issues.asterisk.org/jira/browse/ASTERISK-22007 | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 9, 2013
Updated Aug 6, 2024
Reserved Aug 28, 2013
Link CVE-2013-5642
CISA Vulnrichment
Updated n/a