CVE-2021-47688 (CVSS 5.7)

Description

In WhiteBeam 0.2.0 through 0.2.1 before 0.2.2, a user with local access to a server can bypass the allow-list functionality because a file can be truncated in the OpenFileDescriptor action before the VerifyCanWrite action is performed.

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CVSS v3.1 Score

5.7

MEDIUM

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

Weakness Type (CWE)

CWE-696 CWE-696

References

Other References

https://github.com/WhiteBeamSec/WhiteBeam/pull/22 https://github.com/WhiteBeamSec/WhiteBeam/security/advisories/GHSA-3f8r-9483-pfxj https://github.com/WhiteBeamSec/WhiteBeam/security/policy

Frequently Asked Questions

What is CVE-2021-47688? +

In WhiteBeam 0.2.0 through 0.2.1 before 0.2.2, a user with local access to a server can bypass the allow-list functionality because a file can be truncated in the OpenFileDescriptor action before the VerifyCanWrite action is performed. It has a CVSS v3.1 base score of 5.7 (MEDIUM).

How severe is CVE-2021-47688? +

CVE-2021-47688 has a CVSS v3.1 score of 5.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2021-47688? +

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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CVE-2021-47688