Home/CVE/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 Asteris
CVE

CVE-2018-7286

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 Asteris

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.

MEDIUM · CVSS 6.5 EPSS 0.54632
Act now
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
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Affected Products & Versions

5
digium asterisk>= 14.0.0 and <= 14.7.5
digium asterisk>= 15.0.0 and <= 15.2.1
digium asteriskall versions
digium certified asterisk<= 13.18
debian linuxall versions
⚠

Public Exploits & PoCs

2
dosAsterisk chan_pjsip 15.2.0 - 'INVITE' Denial of Serviceverified
pocwww.exploit-db.com · 44181www.exploit-db.com
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD22 Feb 2018 · 12:29 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://downloads.asterisk.org/pub/security/AST-2018-005.htmlVendor Advisory
http://www.securityfocus.com/bid/103129Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1040417Third Party AdvisoryVDB Entry
https://issues.asterisk.org/jira/browse/ASTERISK-27618Vendor Advisory
https://www.debian.org/security/2018/dsa-4320Third Party Advisory
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