GHSA-5fg8-2547-mr8q
Suggest an improvement- Source
- https://github.com/advisories/GHSA-5fg8-2547-mr8q
- Import Source
- https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/08/GHSA-5fg8-2547-mr8q/GHSA-5fg8-2547-mr8q.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/GHSA-5fg8-2547-mr8q
- Aliases
- Published
- 2021-08-03T16:57:05Z
- Modified
- 2024-02-22T19:03:28Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
- Summary
- Misinterpretation of malicious XML input
- Details
-
Impact
xmldom versions 0.6.0 and older do not correctly escape special characters when serializing elements removed from their ancestor. This may lead to unexpected syntactic changes during XML processing in some downstream applications.
Patches
Update to one of the fixed versions of
@xmldom/xmldom(>=0.7.0)See issue #271 for the status of publishing
xmldomto npm or join #270 for Q&A/discussion until it's resolved.Workarounds
Downstream applications can validate the input and reject the maliciously crafted documents.
References
Similar to this one reported on the Go standard library:
- https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/
- https://mattermost.com/blog/securing-xml-implementations-across-the-web/
For more information
If you have any questions or comments about this advisory:
- Open an issue in
xmldom/xmldom - Email us: send an email to all addresses that are shown by
npm owner ls @xmldom/xmldom
- Database specific
{ "nvd_published_at": "2021-07-27T22:15:00Z", "cwe_ids": [ "CWE-116" ], "severity": "MODERATE", "github_reviewed": true, "github_reviewed_at": "2021-08-02T23:21:11Z" }- References
-
- https://github.com/xmldom/xmldom/security/advisories/GHSA-5fg8-2547-mr8q
- https://nvd.nist.gov/vuln/detail/CVE-2021-32796
- https://github.com/xmldom/xmldom/commit/7b4b743917a892d407356e055b296dcd6d107e8b
- https://github.com/xmldom/xmldom
- https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities
- https://mattermost.com/blog/securing-xml-implementations-across-the-web
- https://www.npmjs.com/package/@xmldom/xmldom
Affected packages
npm / xmldom
Package
- Name
- xmldom
- View open source insights on deps.dev
- Purl
- pkg:npm/xmldom
npm / @xmldom/xmldom
Package
- Name
- @xmldom/xmldom
- View open source insights on deps.dev
- Purl
- pkg:npm/%40xmldom/xmldom