VulnerabilityModified

CVE-2022-39353

CRITICAL 9.8EPSS 1.27%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) `DOMParser` and `XMLSerializer` module. xmldom parses XML that is not well-formed because it contains multiple top level elements, and adds all root nodes to the `childNodes` collection of the `Document`, without reporting any error or throwing. This breaks the assumption that there is only a single root node in the tree, which led to issuance of CVE-2022-39299 as it is a potential issue for dependents. Update to @xmldom/xmldom@~0.7.7, @xmldom/xmldom@~0.8.4 (dist-tag latest) or @xmldom/xmldom@>=0.9.0-beta.4 (dist-tag next). As a workaround, please one of the following approaches depending on your use case: instead of searching for elements in the whole DOM, only search in the `documentElement`or reject a document with a document that has more then 1 `childNode`.

CVSS 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 1.27% probability · 68th percentile
CISA KEV: Not listed
Weakness: CWE-20, CWE-1288
Affected: xmldom project/xmldom · debian/debian linux
Source: security-advisories@github.com

References

https://github.com/jindw/xmldom/issues/150Exploit, Issue Tracking, Third Party Advisory
https://github.com/xmldom/xmldom/security/advisories/GHSA-crh6-fp67-6883Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00000.htmlMailing List, Third Party Advisory
https://github.com/jindw/xmldom/issues/150Exploit, Issue Tracking, Third Party Advisory
https://github.com/xmldom/xmldom/security/advisories/GHSA-crh6-fp67-6883Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00000.htmlMailing List, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.