CVE-2020-36771: cagefs Information Disclosure — Exploit

Description

CloudLinux CageFS 7.1.1-1 or below passes the authentication token as a command line argument. In some configurations this allows local users to view the authentication token via the process list and gain code execution as another user.

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-214 CWE-214

CWE-200 CWE-200

Affected Products

Vendor	Product	Versions
cloudlinux	cagefs	< 7.1.2-2

References

Exploits

http://packetstormsecurity.com/files/176790/CloudLinux-CageFS-7.1.1-1-Token-Disclosure.html http://seclists.org/fulldisclosure/2024/Jan/24 http://packetstormsecurity.com/files/176790/CloudLinux-CageFS-7.1.1-1-Token-Disclosure.html http://seclists.org/fulldisclosure/2024/Jan/24

Other References

https://blog.cloudlinux.com/cagefs-lve-wrappers-and-bsock-have-been-rolled-out-to-100 https://github.com/sbaresearch/advisories/tree/public/2020/SBA-ADV-20200707-01_CloudLinux_CageFS_Token_Disclosure https://blog.cloudlinux.com/cagefs-lve-wrappers-and-bsock-have-been-rolled-out-to-100 https://github.com/sbaresearch/advisories/tree/public/2020/SBA-ADV-20200707-01_CloudLinux_CageFS_Token_Disclosure

Frequently Asked Questions

What is CVE-2020-36771? +

CloudLinux CageFS 7.1.1-1 or below passes the authentication token as a command line argument. In some configurations this allows local users to view the authentication token via the process list and gain code execution as another user. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2020-36771? +

CVE-2020-36771 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2020-36771? +

CVE-2020-36771 affects products from cloudlinux, specifically: cagefs. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2020-36771? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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