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Critical severity · published Sep 2, 2017
CVE-2017-14100
In Asterisk 11.x before 11.25.2, 13.x before 13.17.1, and 14.x before 14.6.1 and Certified Asterisk 11.x before 11.6-cert17 and 13.x before 13.13-cert5, unauthorized command…
9.8
CVSS
14.9%
EPSS
No
On KEV
Description
In Asterisk 11.x before 11.25.2, 13.x before 13.17.1, and 14.x before 14.6.1 and Certified Asterisk 11.x before 11.6-cert17 and 13.x before 13.13-cert5, unauthorized command execution is possible. The app_minivm module has an "externnotify" program configuration option that is executed by the MinivmNotify dialplan application. The application uses the caller-id name and number as part of a built string passed to the OS shell for interpretation and execution. Since the caller-id name and number can come from an untrusted source, a crafted caller-id name or number allows an arbitrary shell command injection.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)14.9% · higher than 97% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Asterisk · Digium
13.0.0; 13.0.0; 13.0.0; 13.0.0; 13.0.1; 13.0.2; +34 more · source: NVD
CA
Certified Asterisk · Digium
11.6; 11.6; 11.6; 11.6; 11.6; 11.6; +22 more · source: NVD
Affected product
AS
Asterisk
Digium
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-14100
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-14100
Vendor Advisory
http://downloads.asterisk.org/pub/security/AST-2017-006.html
www.debian.org
http://www.debian.org/security/2017/dsa-3964
Third Party Advisory
http://www.securitytracker.com/id/1039252
Issue Tracking
https://bugs.debian.org/873908
Issue Tracking
https://issues.asterisk.org/jira/browse/ASTERISK-27103
security.gentoo.org
https://security.gentoo.org/glsa/201710-29
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