Improper Input Validation The advisory has been revoked - it doesn't affect any version of package nim (opens in a new tab)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-DEBIAN13-NIM-5690271
- published22 Aug 2020
- disclosed14 Aug 2020
Introduced: 14 Aug 2020
CVE-2020-15694 (opens in a new tab)Amendment
The Debian security team deemed this advisory irrelevant for Debian:13.
NVD Description
Note: Versions mentioned in the description apply only to the upstream nim package and not the nim package as distributed by Debian.
In Nim 1.2.4, the standard library httpClient fails to properly validate the server response. For example, httpClient.get().contentLength() does not raise any error if a malicious server provides a negative Content-Length.
References
- https://security-tracker.debian.org/tracker/CVE-2020-15694
- https://nim-lang.org/blog/2020/07/30/versions-126-and-108-released.html
- https://consensys.net/diligence/vulnerabilities/nim-httpclient-header-crlf-injection/
- https://github.com/nim-lang/Nim/blob/dc5a40f3f39c6ea672e6dc6aca7f8118a69dda99/lib/pure/httpclient.nim#L241
- http://www.openwall.com/lists/oss-security/2021/02/04/2