Vulnerability in Objective Systems ASN1C C/C++ Compiler
Date: 22 July 2016
The purpose of this alert is to bring attention to a recently disclosed vulnerability in the Objective Systems ASN1C C/C++ compiler.
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.
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.
- CERT/CC Vulnerability Note #790839 - Objective Systems ASN1C generates code that contains a heap overflow vulnerability:
- Security Researcher Advisory:
Note to Readers
In support of Public Safety's mission to build a safe and resilient Canada, CCIRC's mandate is to help ensure the security and resilience of the vital non-federal government cyber systems that underpin Canada's national security, public safety and economic prosperity. As Canada's computer security incident response team, CCIRC is Canada's national coordination centre for the prevention and mitigation of, preparedness for, response to, and recovery from cyber incidents on non-federal government systems. It does this by providing authoritative advice and support, and coordinating information sharing and incident response.
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