#VU77778 Input validation error in HtmlUnit - CVE-2022-29546

Vulnerability identifier: #VU77778

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-29546

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 input validation when parsing the Processing Instruction (PI) data. A remote attacker can trick the victim to open 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 - 2.60.0

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External links
https://github.com/HtmlUnit/htmlunit-neko/security/advisories/GHSA-6jmm-mp6w-4rrg

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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.