Vulnerability Details : CVE-2018-12227
An issue was discovered in Asterisk Open Source 13.x before 13.21.1, 14.x before 14.7.7, and 15.x before 15.4.1 and Certified Asterisk 13.18-cert before 13.18-cert4 and 13.21-cert before 13.21-cert2. When endpoint specific ACL rules block a SIP request, they respond with a 403 forbidden. However, if an endpoint is not identified, then a 401 unauthorized response is sent. This vulnerability just discloses which requests hit a defined endpoint. The ACL rules cannot be bypassed to gain access to the disclosed endpoints.
Vulnerability category: Information leak
Products affected by CVE-2018-12227
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.21:cert1:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.18:cert1:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.18:cert2:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.18:cert3:*:*:*:*:*:*
Threat overview for CVE-2018-12227
Top countries where our scanners detected CVE-2018-12227
Top open port discovered on systems with this issue
8088
IPs affected by CVE-2018-12227 11,131
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2018-12227!
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attack surface intelligence
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Exploit prediction scoring system (EPSS) score for CVE-2018-12227
1.22%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-12227
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
5.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2018-12227
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-12227
-
http://downloads.asterisk.org/pub/security/AST-2018-008.html
AST-2018-008Vendor Advisory
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https://security.gentoo.org/glsa/201811-11
Asterisk: Multiple vulnerabilities (GLSA 201811-11) — Gentoo securityThird Party Advisory
-
http://www.securityfocus.com/bid/104455
Multiple Asterisk Products CVE-2018-12227 Information Disclosure VulnerabilityThird Party Advisory;VDB Entry
-
https://issues.asterisk.org/jira/browse/ASTERISK-27818
[ASTERISK-27818] Username bruteforce is possible when using ACL with PJSIP - Digium/Asterisk JIRAPatch;Vendor Advisory
-
https://www.debian.org/security/2018/dsa-4320
Debian -- Security Information -- DSA-4320-1 asteriskThird Party Advisory
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