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CVE-2016-5080

9.8 · CRITICAL

Integer overflow in the rtxMemHeapAlloc function in asn1rt_a.lib in Objective Systems ASN1C for C/C++ before 7.0.2 allows context-dependent attackers to execute arbitrary code or cause a denial of…

Published Jul 19, 2016EPSS 10.06%

Overview

CVE-2016-5080 is a critical-severity vulnerability. It was published on July 19, 2016 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Integer overflow in the rtxMemHeapAlloc function in asn1rt_a.lib in Objective Systems ASN1C for C/C++ before 7.0.2 allows context-dependent attackers to execute arbitrary code or cause a denial of service (heap-based buffer overflow), on a system running an application compiled by ASN1C, via crafted ASN.1 data.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/137970/Objective-Systems-Inc.-ASN1C-For-C-C-Heap-Memory-Corruption.htmlRefseclists.org/fulldisclosure/2016/Jul/65Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160721-asn1cRefwww.kb.cert.org/vuls/id/790839Refwww.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.htmlRefwww.securityfocus.com/archive/1/538952/100/0/threadedRefwww.securityfocus.com/bid/91836Refwww.securitytracker.com/id/1036386GitHubgithub.com/programa-stic/security-advisories/tree/master/ObjSys/CVE-2016-5080Refsource.android.com/security/bulletin/2017-01-01.html

How CyberStrike helps

Frequently asked questions

What is CVE-2016-5080?

CVE-2016-5080 is a critical-severity vulnerability. It was published on July 19, 2016 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2016-5080?

This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2016-5080?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2016-5080?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-5080 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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