Tóm tắt nhanh
- CVE-2021-21366 là lỗ hổng mức TRUNG BÌNH (CVSS 4.3) ảnh hưởng xmldom (xmldom project), xmldom.
- Xác suất bị khai thác trong 30 ngày tới (EPSS): 1.3%, cao hơn 71.4% các lỗ hổng khác.
- Cách xử lý: cập nhật lên 0.5.0 hoặc mới hơn.
| Gói / sản phẩm | Phiên bản bị ảnh hưởng | Phiên bản đã vá |
|---|
| xmldom | < 0.5.0
| 0.5.0
|
| xmldom npm | < 0.5.0
| 0.5.0
|
Mô tả
Impact
xmldom versions 0.4.0 and older do not correctly preserve system identifiers, FPIs or namespaces when repeatedly parsing and serializing maliciously crafted documents.
This may lead to unexpected syntactic changes during XML processing in some downstream applications.
Patches
Update to 0.5.0 (once it is released)
Workarounds
Downstream applications can validate the input and reject the maliciously crafted documents.
References
Similar to this one reported on the Go standard library:
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
Mô tả của NVD
xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module. xmldom versions 0.4.0 and older do not correctly preserve system identifiers, FPIs or namespaces when repeatedly parsing and serializing maliciously crafted documents. This may lead to unexpected syntactic changes during XML processing in some downstream applications. This is fixed in version 0.5.0. As a workaround downstream applications can validate the input and reject the maliciously crafted documents.
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