Vulnerability identifier: #VU77777

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28366

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
HtmlUnit
Client/Desktop applications / Web browsers

Vendor: HtmlUnit

Description

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

The vulnerability exists due to insufficient validation of crafted Processing Instruction (PI) input. A remote attacker can trick the victim to visit a specially crafted web page and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

HtmlUnit: 2.0 - 2.26

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External links
http://github.com/nahsra/antisamy/releases/tag/v1.6.6
http://sourceforge.net/projects/htmlunit/files/htmlunit/2.27/
http://search.maven.org/artifact/net.sourceforge.htmlunit/neko-htmlunit

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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