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CVE-2018-12228

Good to know:

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Date: June 11, 2018

An issue was discovered in Asterisk Open Source 15.x before 15.4.1. When connected to Asterisk via TCP/TLS, if the client abruptly disconnects, or sends a specially crafted message, then Asterisk gets caught in an infinite loop while trying to read the data stream. This renders the system unusable.

Language: C

Severity Score

Related Resources (5)

http://downloads.asterisk.org/pub/security/AST-2018-007.html
http://www.securityfocus.com/bid/104457
https://nvd.nist.gov/vuln/detail/CVE-2018-12228
https://issues.asterisk.org/jira/browse/ASTERISK-27807
https://www.mend.io/vulnerability-database/CVE-2018-12228

Severity Score

Weakness Type (CWE)

Authentication Issues

CWE-287

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-835

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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