Denial of service in Undertow



Risk Medium
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2022-1259
CWE-ID CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
Undertow
Server applications / Web servers

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU67947

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-1259

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect handling of HTTP/2 requests. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Note, the vulnerability exists due to an incomplete fix for #VU58177 (CVE-2021-3629).

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Undertow: 2.0.0.Alpha1 - 2.3.0 Alpha2

CPE2.3 External links

https://bugzilla.redhat.com/show_bug.cgi?id=2072339


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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