High severity · published Jun 2, 2017
CVE-2017-9372
PJSIP, as used in Asterisk Open Source 13.x before 13.15.1 and 14.x before 14.4.1, Certified Asterisk 13.13 before 13.13-cert4, and other products, allows remote attackers to…
7.5
CVSS
4%
EPSS
No
On KEV
Description
PJSIP, as used in Asterisk Open Source 13.x before 13.15.1 and 14.x before 14.4.1, Certified Asterisk 13.13 before 13.13-cert4, and other products, allows remote attackers to cause a denial of service (buffer overflow and application crash) via a SIP packet with a crafted CSeq header in conjunction with a Via header that lacks a branch parameter.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.0% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CA
Certified Asterisk · Digium
13.13.0; 13.13.0; 13.13.0; 13.13.0; 13.13.0; 13.13.0; +4 more · source: NVD
OS
Open Source · Digium
13.0.0; 13.1.0; 13.1.0; 13.1.0; 13.2.0; 13.2.0; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-9372
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-9372
Third Party Advisory
http://downloads.asterisk.org/pub/security/AST-2017-002.txt
www.debian.org
http://www.debian.org/security/2017/dsa-3933
Third Party Advisory
http://www.securityfocus.com/bid/98572
www.securitytracker.com
http://www.securitytracker.com/id/1038529
Mailing List
https://bugs.debian.org/863901
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