Vulnerability Description
Wowza Streaming Engine 4.5.0 contains a local privilege escalation vulnerability that allows authenticated users to escalate privileges by replacing executable files due to improper file permissions granting full access to the Everyone group. Attackers can replace the nssm_x64.exe binary in the manager and engine service directories with malicious executables to execute code with LocalSystem privileges when services restart.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wowza | Streaming Engine | 4.5.0 |
Related Weaknesses (CWE)
References
- http://www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5339.phpExploitThird Party Advisory
- https://www.exploit-db.com/exploits/40132ExploitThird Party AdvisoryVDB Entry
- https://www.vulncheck.com/advisories/wowza-streaming-engine-local-privilege-escaThird Party Advisory
FAQ
What is CVE-2016-20033?
CVE-2016-20033 is a vulnerability with a CVSS score of 7.8 (HIGH). Wowza Streaming Engine 4.5.0 contains a local privilege escalation vulnerability that allows authenticated users to escalate privileges by replacing executable files due to improper file permissions g...
How severe is CVE-2016-20033?
CVE-2016-20033 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-20033?
Check the references section above for vendor advisories and patch information. Affected products include: Wowza Streaming Engine.