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Alert - Vulnerability in Objective Systems ASN1C C/C++ Compiler

Number: AL16-015
Date: 22 July 2016

Purpose

The purpose of this alert is to bring attention to a recently disclosed vulnerability VulnerabilityA flaw or weakness in the design or implementation of an information system or its environment that could be exploited to adversely affect an organization's assets or operations. in the Objective Systems ASN1C C/C++ compiler.

Assessment

CCIRC is aware of a recently disclosed vulnerability in the ASN1C C/C++compiler.  Exploitation of this vulnerability could potentially allow a remote unauthenticated attacker to execute arbitrary code on an affected system.

CVE Reference: CVE-2016-5080

Affected Versions: ASN1C C/C++ compiler 7.0 and earlier.

Affected Systems: Any systems with resources compiled by affected versions of the ASN1C C/C++ compiler.

ASN1C is a compiler for the ASN.1 specification, which is used and referenced by multiple telecommunication protocols including GSM, UMTS, LTE, X.509, SNMP, and voice-over-IP.   As a result, the ASN1C compiler is leveraged by several hardware and software products.

Suggested Action

Due to the potential risk presented by this vulnerability, CCIRC recommends that system administrators identify their affected assets and potential interdependencies with their organization’s critical services. As updates become available, their organization’s patch management process should be actioned accordingly.

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