CVE-2013-5642
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.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-20
- EPSS score
- 11.7% (96th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2013-5482)
- Published
- September 9, 2013
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2013-5482 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- digium / asterisk
- digium / asterisk
- digium / asterisk
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and 31 more…
References
- http://archives.neohapsis.com/archives/bugtraq/2013-08/0174.html
- http://downloads.asterisk.org/pub/security/AST-2013-005.html(Patch, Vendor Advisory)
- http://osvdb.org/96690
- http://secunia.com/advisories/54534(Vendor Advisory)
- http://secunia.com/advisories/54617
- http://www.debian.org/security/2013/dsa-2749
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:223
- http://www.securityfocus.com/bid/62022
- http://www.securitytracker.com/id/1028957
- https://issues.asterisk.org/jira/browse/ASTERISK-22007
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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