#VU77487 Prototype pollution in xmldom - CVE-2022-37616


Vulnerability identifier: #VU77487

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2022-37616

CWE-ID: CWE-1321

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
xmldom
Web applications / Modules and components for CMS

Vendor: xmldom

Description

The vulnerability allows a remote attacker to execute arbitrary JavaScript code.

The vulnerability exists in the function copy in dom.js in the xmldom package for Node.js via the p variable. A remote attacker can pass specially crafted input to the application and perform prototype pollution, which can result in information disclosure or data manipulation.

Mitigation
Install update from vendor's website.

Vulnerable software versions

xmldom: before 0.8.3


External links
https://github.com/xmldom/xmldom/blob/bc36efddf9948aba15618f85dc1addfc2ac9d7b2/lib/dom.js#L1
https://github.com/xmldom/xmldom/issues/436
https://github.com/xmldom/xmldom/blob/bc36efddf9948aba15618f85dc1addfc2ac9d7b2/lib/dom.js#L3
https://github.com/xmldom/xmldom/security/advisories/GHSA-9pgh-qqpf-7wqj
https://lists.debian.org/debian-lts-announce/2022/10/msg00023.html
https://dl.acm.org/doi/pdf/10.1145/3488932.3497769
https://dl.acm.org/doi/abs/10.1145/3488932.3497769
https://users.encs.concordia.ca/~mmannan/publications/JS-vulnerability-aisaccs2022.pdf
https://github.com/xmldom/xmldom/issues/436#issuecomment-1319412826
https://github.com/xmldom/xmldom/issues/436#issuecomment-1327776560


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.


Latest bulletins with this vulnerability