CVE-2021-29495

Nim stdlib httpClient does not validate peer certificates by default

State: Published
Severity: 5.9 Medium
Published: May 7, 2021
Updated: Aug 3, 2024
Reserved: Mar 30, 2021

Description

Nim is a statically typed compiled systems programming language. In Nim standard library before 1.4.2, httpClient SSL/TLS certificate verification was disabled by default. Users can upgrade to version 1.4.2 to receive a patch or, as a workaround, set "verifyMode = CVerifyPeer" as documented.

Scores

CVSS	Score	Vector	Source
3.1	5.9 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N	GitHub_M

Weaknesses

CWE-295 Improper Certificate Validation

Affected Products

Product	Versions
securitynim-lang	< 1.4.2Affected

References

https://github.com/nim-lang/security/security/advisories/GHSA-9vqv-2jj9-7mqr

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