A vulnerability was found in markdown-it up to 2.x. It has been classified as problematic. Affected is an unknown function of the file lib/common/html_re.js. The manipulation leads to inefficient regular expression complexity. Upgrading to version 3.0.0 is able to address this issue. The name of the patch is 89c8620157d6e38f9872811620d25138fc9d1b0d. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216852.
Weakness
The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Markdown-it | Markdown-it_project | * | 3.0.0 (excluding) |
| Node-markdown-it | Ubuntu | kinetic | * |
| Node-markdown-it | Ubuntu | lunar | * |
| Node-markdown-it | Ubuntu | mantic | * |
| Node-markdown-it | Ubuntu | oracular | * |
| Node-markdown-it | Ubuntu | plucky | * |
| Node-markdown-it | Ubuntu | trusty | * |
| Node-markdown-it | Ubuntu | xenial | * |
Potential Mitigations
Related Attack Patterns
References
- https://github.com/markdown-it/markdown-it/commit/89c8620157d6e38f9872811620d25138fc9d1b0d
- https://github.com/markdown-it/markdown-it/releases/tag/3.0.0
- https://vuldb.com/?ctiid.216852
- https://vuldb.com/?id.216852
- https://github.com/markdown-it/markdown-it/commit/89c8620157d6e38f9872811620d25138fc9d1b0d
- https://github.com/markdown-it/markdown-it/releases/tag/3.0.0
- https://vuldb.com/?ctiid.216852
- https://vuldb.com/?id.216852