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CVE-2016-7955

9.8 · CRITICAL

The logcheck function in session.inc in AlienVault OSSIM before 5.3.1, when an action has been created, and USM before 5.3.1 allows remote attackers to bypass authentication and consequently obtain…

Published Mar 15, 2017CWE-264EPSS 6.41%

Overview

CVE-2016-7955 is a critical-severity vulnerability. It was published on March 15, 2017 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

The logcheck function in session.inc in AlienVault OSSIM before 5.3.1, when an action has been created, and USM before 5.3.1 allows remote attackers to bypass authentication and consequently obtain sensitive information, modify the application, or execute arbitrary code as root via an "AV Report Scheduler" HTTP User-Agent header.

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

Refwww.securityfocus.com/archive/1/540224/100/0/threadedRefwww.zerodayinitiative.com/advisories/ZDI-16-517/Refwww.alienvault.com/forums/discussion/7765/alienvault-v5-3-1-hotfixRefwww.securityfocus.com/archive/1/540224/100/0/threadedRefwww.zerodayinitiative.com/advisories/ZDI-16-517/Refwww.alienvault.com/forums/discussion/7765/alienvault-v5-3-1-hotfix

How CyberStrike helps

Frequently asked questions

What is CVE-2016-7955?

CVE-2016-7955 is a critical-severity vulnerability. It was published on March 15, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2016-7955?

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-2016-7955?

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-2016-7955?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2016-7955 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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