CVE-2018-7286

high-risk
Published 2018-02-22

An issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5, and 15.x through 15.2.1, and Certified Asterisk through 13.18-cert2. res_pjsip allows remote authenticated users to crash Asterisk (segmentation fault) by sending a number of SIP INVITE messages on a TCP or TLS connection and then suddenly closing the connection.

Do I need to act?

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54.6% chance of exploitation in next 30 days
EPSS score — higher than 45% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
44181
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

Debian Digium

References (12)

Vendor Advisory http://downloads.asterisk.org/pub/security/AST-2018-005.html
Third Party Advisory http://www.securityfocus.com/bid/103129
Third Party Advisory http://www.securitytracker.com/id/1040417
Vendor Advisory https://issues.asterisk.org/jira/browse/ASTERISK-27618
Third Party Advisory https://www.debian.org/security/2018/dsa-4320
Exploit https://www.exploit-db.com/exploits/44181/
Vendor Advisory http://downloads.asterisk.org/pub/security/AST-2018-005.html
Third Party Advisory http://www.securityfocus.com/bid/103129
Third Party Advisory http://www.securitytracker.com/id/1040417
Vendor Advisory https://issues.asterisk.org/jira/browse/ASTERISK-27618
Third Party Advisory https://www.debian.org/security/2018/dsa-4320
Exploit https://www.exploit-db.com/exploits/44181/
59
/ 100
high-risk
Severity 24/34 · High
Exploitability 25/34 · High
Exposure 10/34 · Low