CVE-2023-46739: cubefs — Fix

Description

CubeFS is an open-source cloud-native file storage system. A vulnerability was found during in the CubeFS master component in versions prior to 3.3.1 that could allow an untrusted attacker to steal user passwords by carrying out a timing attack. The root case of the vulnerability was that CubeFS used raw string comparison of passwords. The vulnerable part of CubeFS was the UserService of the master component. The UserService gets instantiated when starting the server of the master component. The issue has been patched in v3.3.1. For impacted users, there is no other way to mitigate the issue besides upgrading.

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CVSS v3.1 Score

6.5

MEDIUM

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

Weakness Type (CWE)

CWE-203 CWE-203

Affected Products

Vendor	Product	Versions
linuxfoundation	cubefs	< 3.3.1

References

Advisories & Patches

https://github.com/cubefs/cubefs/commit/6a0d5fa45a77ff20c752fa9e44738bf5d86c84bd https://github.com/cubefs/cubefs/commit/6a0d5fa45a77ff20c752fa9e44738bf5d86c84bd

Other References

https://github.com/cubefs/cubefs/security/advisories/GHSA-8579-7p32-f398 https://github.com/cubefs/cubefs/security/advisories/GHSA-8579-7p32-f398

Frequently Asked Questions

What is CVE-2023-46739? +

CubeFS is an open-source cloud-native file storage system. A vulnerability was found during in the CubeFS master component in versions prior to 3.3.1 that could allow an untrusted attacker to steal user passwords by carrying out a timing attack. The root case of the vulnerability was that CubeFS used raw string comparison of passwords. The vulnerable part of CubeFS was the UserService of the master component. The UserService gets instantiated when starting the server of the master component. The issue has been patched in v3.3.1. For impacted users, there is no other way to mitigate the issue besides upgrading. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2023-46739? +

CVE-2023-46739 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-46739? +

CVE-2023-46739 affects products from linuxfoundation, specifically: cubefs. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-46739? +

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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