HTTP Request Smuggling The advisory has been revoked - it doesn't affect any version of package npm (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CENTOS9-NPM-2879241
- published15 Oct 2021
- disclosed12 Oct 2021
Introduced: 12 Oct 2021
CVE-2021-22959 (opens in a new tab)Amendment
The Centos security team deemed this advisory irrelevant for Centos:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream npm package and not the npm package as distributed by Centos.
The parser in accepts requests with a space (SP) right after the header name before the colon. This can lead to HTTP Request Smuggling (HRS) in llhttp < v2.1.4 and < v6.0.6.
References
- https://access.redhat.com/security/cve/CVE-2021-22959
- https://access.redhat.com/errata/RHEA-2022:5139
- https://access.redhat.com/errata/RHSA-2021:5171
- https://access.redhat.com/errata/RHSA-2022:0350
- https://hackerone.com/reports/1238709
- https://www.debian.org/security/2022/dsa-5170
- https://www.oracle.com/security-alerts/cpujan2022.html