Medium severity · published Feb 22, 2018
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
6.5
CVSS
52.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)52.7% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Asterisk · Digium
14.0.0 through 14.7.5; 15.0.0 through 15.2.1; 13.19.1 · source: NVD
CA
Certified Asterisk · Digium
through 13.18 · source: NVD
DL
Debian Linux · Debian
9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-7286
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-7286
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/
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