PT-2021-23934 · Nodebb · Nodebb

Barisusakli · Published 2021-11-29 · Updated 2022-10-27 · CVE-2021-43788

Positive Technologies (AI Summary)

CVSS v3.1

5.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Nodebb versions prior to 1.18.5

Description: A path traversal issue allowed users to access JSON files outside of the expected languages/ directory. This issue has been patched as of version 1.18.5. Users are advised to upgrade as soon as possible.

Recommendations: For versions prior to 1.18.5, upgrade to version 1.18.5 or later to resolve the issue. As a temporary workaround, consider cherry-picking commit hash c8b2fc46dc698db687379106b3f01c71b80f495f to receive the patch in lieu of a full upgrade.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2021-43788

GHSA-PFJ7-2QFW-VWGM

Affected Products

Nodebb

References · 9

• 🔥 https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot · Exploit
• https://github.com/NodeBB/NodeBB/commit/c8b2fc46dc698db687379106b3f01c71b80f495f · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-43788 · Security Note
• https://osv.dev/vulnerability/CVE-2021-43788 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-pfj7-2qfw-vwgm · Vendor Advisory
• https://github.com/NodeBB/NodeBB/security/advisories/GHSA-pfj7-2qfw-vwgm · Note
• https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5 · Note
• https://github.com/NodeBB/NodeBB · Note
• https://t.me/cibsecurity/33056 · Telegram Post