CVE-2023-6180 — MEDIUM (5.3)

Vulnerability Description

The tokio-boring library in version 4.0.0 is affected by a memory leak issue that can lead to excessive resource consumption and potential DoS by resource exhaustion. The set_ex_data function used by the library did not deallocate memory used by pre-existing data in memory each time after completing a TLS connection causing the program to consume more resources with each new connection.

CVSS Score

5.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Affected Products

Vendor	Product	Versions
Cloudflare	Boring	4.0.0

Related Weaknesses (CWE)

CWE-404 CWE-401 CWE-400

References

https://github.com/cloudflare/boring/security/advisories/GHSA-pjrj-h4fg-6gm4Vendor Advisory
https://github.com/cloudflare/boring/security/advisories/GHSA-pjrj-h4fg-6gm4Vendor Advisory

FAQ

What is CVE-2023-6180?

CVE-2023-6180 is a vulnerability with a CVSS score of 5.3 (MEDIUM). The tokio-boring library in version 4.0.0 is affected by a memory leak issue that can lead to excessive resource consumption and potential DoS by resource exhaustion. The set_ex_data function used by ...

How severe is CVE-2023-6180?

CVE-2023-6180 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-6180?

Check the references section above for vendor advisories and patch information. Affected products include: Cloudflare Boring.