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CVE-2019-7656

Published: 29/01/2020 Updated: 03/05/2022
CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 641
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
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Vulnerability Summary

A privilege escalation vulnerability in Wowza Streaming Engine 4.8.0 and previous versions allows any unprivileged Linux user to escalate privileges to root. The installer sets too relaxed permissions on /usr/local/WowzaStreamingEngine/bin/* core program files. By injecting a payload into one of those files, it will run with the same privileges as the Wowza server, root. For example, /usr/local/WowzaStreamingEngine/bin/tune.sh could be replaced with a Trojan horse. This issue was resolved in Wowza Streaming Engine 4.8.5.

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References

CWE-732https://github.com/DrunkenShells/Disclosures/tree/master/CVE-2019-7656-PrivEscal-Wowzahttps://www.wowza.com/pricing/installerhttps://www.wowza.com/docs/wowza-streaming-engine-4-8-5-release-noteshttps://raw.githubusercontent.com/WowzaMediaSystems/public_cve/main/wowza-streaming-engine/CVE-2019-7656.txthttps://nvd.nist.gov
VMScore
CVSSv2
CVSSv3
VMScore
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