PT-2023-12404 · Unknown · Ghostlander Halcyon

Ghostlander · Published 2023-01-04 · Updated 2024-05-17 · CVE-2021-4300

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions ghostlander Halcyon versions prior to 1.1.1.0-hal

Description A critical vulnerability has been found in ghostlander Halcyon, affecting the function CBlock::AddToBlockIndex of the file src/main.cpp in the component Block Verification. This vulnerability leads to improper access controls and can be exploited remotely.

Recommendations For versions prior to 1.1.1.0-hal, upgrade to version 1.1.1.0-hal to address this issue. As a temporary workaround, consider restricting access to the CBlock::AddToBlockIndex function until the upgrade is applied.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2021-4300

Affected Products

Ghostlander Halcyon

References · 8

• https://github.com/ghostlander/Halcyon/releases/tag/v1.1.1.0-hal · Patch
• https://github.com/ghostlander/Halcyon/commit/0675b25ae9cc10b5fdc8ea3a32c642979762d45e · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-4300 · Security Note
• https://osv.dev/vulnerability/CVE-2021-4300 · Vendor Advisory
• https://t.me/cvenotify/62849 · Telegram Post
• https://vuldb.com/?id.217417 · Note
• https://vuldb.com/?ctiid.217417 · Note
• https://t.me/cibsecurity/55919 · Telegram Post