Vulnerability in Digium Asterisk
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 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.527 (98.9th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 98.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.383 · newest: 0.527 · change: +0.145
Affected products
- Digium Asterisk — versions 13.19.1
- Digium Certified Asterisk
- Debian Linux — versions 9.0
Public proof-of-concept exploits
References
- www.debian.org/security/2018/dsa-4320 (vendor-advisory, Third Party Advisory)
- issues.asterisk.org/jira/browse/ASTERISK-27618 (Vendor Advisory)
- downloads.asterisk.org/pub/security/AST-2018-005.html (Vendor Advisory)
- www.exploit-db.com/exploits/44181/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- www.securitytracker.com/id/1040417 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/103129 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-7286?
- CVE-2018-7286 is a medium-severity vulnerability in Digium Asterisk. CVSS score: 6.5/10. Published 2018-02-22.
- How severe is CVE-2018-7286?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2018-7286 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.