CVE-2024-10550 — HIGH (7.5)

Vulnerability Description

A vulnerability in the `/3/ParseSetup` endpoint of h2oai/h2o-3 version 3.46.0.1 allows for a denial of service (DoS) attack. The endpoint applies a user-specified regular expression to a user-controllable string. This can be exploited by an attacker to cause inefficient regular expression complexity, leading to the exhaustion of server resources and making the server unresponsive.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
H2O	H2O	3.46.0.1

Related Weaknesses (CWE)

CWE-1333

References

https://huntr.com/bounties/ef3f4d89-3b8b-4618-b134-cb93c1664ec6ExploitThird Party Advisory

FAQ

What is CVE-2024-10550?

CVE-2024-10550 is a vulnerability with a CVSS score of 7.5 (HIGH). A vulnerability in the `/3/ParseSetup` endpoint of h2oai/h2o-3 version 3.46.0.1 allows for a denial of service (DoS) attack. The endpoint applies a user-specified regular expression to a user-controll...

How severe is CVE-2024-10550?

CVE-2024-10550 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-10550?

Check the references section above for vendor advisories and patch information. Affected products include: H2O H2O.