Vulnerability in Digium Asterisk
CVE-2018-7287
An issue was discovered in res_http_websocket.c in Asterisk 15.x through 15.2.1. If the HTTP server is enabled (default is disabled), WebSocket payloads of size 0 are mishandled (with a busy loop).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.115 (95.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.115 · newest: 0.115 · change: 0.000
Affected products
- Digium Asterisk — versions 15.0.0, 15.1.0, 15.1.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1040419 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/103120 (VDB Entry, Third Party Advisory, vdb-entry)
- issues.asterisk.org/jira/browse/ASTERISK-27658 (Vendor Advisory)
- downloads.digium.com/pub/security/AST-2018-006.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-7287?
- CVE-2018-7287 is a medium-severity vulnerability in Digium Asterisk, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.9/10. Published 2018-02-22.
- How severe is CVE-2018-7287?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2018-7287 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.