CVE-2013-5641
What it is
The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.17.x through 1.8.22.x, 1.8.23.x before 1.8.23.1, and 11.x before 11.5.1 and Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2 allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an ACK with SDP to a previously terminated channel. NOTE: some of these details are obtained from third party information.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 4.1% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 4.1% in the next 30 days (EPSS).
- Severity: 5.0 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 4.1% · EPSS, next 30 days
- Weakness
- CWE-119 · Buffer errors
- Record status
- Modified
Affected
- Digium Asterisk 1.8.17.0
- Digium Asterisk 1.8.18.0
- Digium Asterisk 1.8.18.1
- Digium Asterisk 1.8.19.0
- Digium Asterisk 1.8.19.1
- Digium Asterisk 1.8.20.0
- Digium Asterisk 1.8.21.0
- Digium Asterisk 1.8.22.0
Attack profile CVSS 2.0 · 5.0
- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- None
- Integrity
- None
- Availability
- Partial
Raw vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2013-5641.md and follow it. Check whether this project is affected by CVE-2013-5641. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://downloads.asterisk.org/pub/security/AST-2013-004.html
- http://seclists.org/bugtraq/2013/Aug/185
- http://secunia.com/advisories/54534
- https://issues.asterisk.org/jira/browse/ASTERISK-21064
- http://downloads.asterisk.org/pub/security/AST-2013-004.html
- http://seclists.org/bugtraq/2013/Aug/185
- http://secunia.com/advisories/54534
- https://issues.asterisk.org/jira/browse/ASTERISK-21064
References
- http://archives.neohapsis.com/archives/bugtraq/2013-08/0175.html
- http://downloads.asterisk.org/pub/security/AST-2013-004.html
- http://osvdb.org/96691
- http://seclists.org/bugtraq/2013/Aug/185
- http://secunia.com/advisories/54534
- 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/62021
- http://www.securitytracker.com/id/1028956
- https://issues.asterisk.org/jira/browse/ASTERISK-21064
- http://archives.neohapsis.com/archives/bugtraq/2013-08/0175.html
- http://downloads.asterisk.org/pub/security/AST-2013-004.html
- http://osvdb.org/96691
- http://seclists.org/bugtraq/2013/Aug/185
- http://secunia.com/advisories/54534
- 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/62021
- http://www.securitytracker.com/id/1028956
- https://issues.asterisk.org/jira/browse/ASTERISK-21064