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6.8
CVSSv2

CVE-2021-21374

Published: 26/03/2021 Updated: 30/03/2021
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 8.1 | Impact Score: 5.9 | Exploitability Score: 2.2
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
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Vulnerability Summary

Nimble is a package manager for the Nim programming language. In Nim release versions prior to 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.

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Vendor Advisories

Debian CVElist Bug Report Logs: CVE-2021-21372 CVE-2021-21373 CVE-2021-21374
Debian Bug report logs - #987272 CVE-2021-21372 CVE-2021-21373 CVE-2021-21374 Package: nim; Maintainer for nim is Federico Ceratto <federico@debianorg>; Source for nim is src:nim (PTS, buildd, popcon) Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Tue, 20 Apr 2021 18:33:01 UTC Severity: important Tags: secu ...
Arch Linux Issues:
In Nimble before version 0130, "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 man-in-the-middle (MitM) can deliver a modified package list containing malicious software packages If the packages are installed a ...

References

CWE-295https://consensys.net/diligence/vulnerabilities/nim-insecure-ssl-tls-defaults-remote-code-execution/https://github.com/nim-lang/Nim/pull/16940https://github.com/nim-lang/nimble/blob/master/changelog.markdown#0130https://github.com/nim-lang/security/security/advisories/GHSA-c2wm-v66h-xhxxhttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=987272https://nvd.nist.govhttps://security.archlinux.org/CVE-2021-21374
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
XXECVE-2024-34490SQL injectionCVE-2024-34488CVE-2024-4507CVE-2023-7028CVE-2024-23187TCPCVE-2024-4439
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