Medium severity · published Feb 22, 2018
CVE-2018-7287
An issue was discovered in res_http_websocket.c in Asterisk 15.x through 15.2.1
5.9
CVSS
11.5%
EPSS
No
On KEV
Description
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).
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)11.5% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Asterisk · Digium
15.0.0; 15.0.0; 15.1.0; 15.1.0; 15.1.0; 15.1.1; +8 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-7287
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-7287
Vendor Advisory
http://downloads.digium.com/pub/security/AST-2018-006.html
Third Party Advisory
http://www.securityfocus.com/bid/103120
Third Party Advisory
http://www.securitytracker.com/id/1040419
Vendor Advisory
https://issues.asterisk.org/jira/browse/ASTERISK-27658
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