PT-2013-1327 · Nim+1 · Nim+1

Federico Ceratto · Published 2013-12-28 · Updated 2024-06-15 · CVE-2021-29495

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions Nim versions prior to 1.4.2

Description The issue is related to the Nim standard library, where SSL/TLS certificate verification for the httpClient is disabled by default. This could potentially allow a remote attacker to impact data integrity.

Recommendations For versions prior to 1.4.2, upgrade to version 1.4.2 to receive a patch. As a temporary workaround, set verifyMode = CVerifyPeer as documented.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

ALT-PU-2021-1770

BDU:2021-04700

CVE-2021-29495

GHSA-9VQV-2JJ9-7MQR

OPENSUSE-SU-2022:10095-1

OPENSUSE-SU-2022:10101-1

OPENSUSE-SU-2024:12253-1

Affected Products

Alt Linux

Nim

References · 33

• https://osv.dev/vulnerability/openSUSE-SU-2024:12253-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-29495 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-29495 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-29495 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-04700 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2022:10101-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-29495 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-29495 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2022:10095-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-29495 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-29495 · Vendor Advisory
• https://github.com/nim-lang/Nim/issues/782 · Note
• https://github.com/nim-lang/security/security/advisories/GHSA-9vqv-2jj9-7mqr · Note
• https://bugzilla.suse.com/1192712 · Note
• https://suse.com/security/cve/CVE-2020-15694 · Note