Improper Certificate Validation The advisory has been revoked - it doesn't affect any version of package nim (opens in a new tab)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-5690255
- published12 Apr 2021
- disclosed26 Mar 2021
Introduced: 26 Mar 2021
CVE-2021-21374 (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.
Nimble is a package manager for the Nim programming language. In Nim release versions before versions 1.2.10 and 1.4.4, "nimble refresh" fetches a list of Nimble packages over HTTPS without full verification of the SSL/TLS certificate due to the default setting of httpClient. An attacker able to perform MitM can deliver a modified package list containing malicious software packages. If the packages are installed and used the attack escalates to untrusted code execution.
References
- https://security-tracker.debian.org/tracker/CVE-2021-21374
- https://github.com/nim-lang/security/security/advisories/GHSA-c2wm-v66h-xhxx
- https://consensys.net/diligence/vulnerabilities/nim-insecure-ssl-tls-defaults-remote-code-execution/
- https://github.com/nim-lang/nimble/blob/master/changelog.markdown#0130
- https://github.com/nim-lang/Nim/pull/16940