by Kastro
Paper/Archive/CVE-2021-4300

CVE-2021-4300

ghostlander Halcyon — ghostlander Halcyon Block Verification main.cpp AddToBlockIndex access control

EPSS 0.7%CVSS 9.8
critical.is priorityof 100
40
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 52.8.528 × 2010.6No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

A vulnerability has been found in ghostlander Halcyon and classified as critical. Affected by this vulnerability is the function CBlock::AddToBlockIndex of the file src/main.cpp of the component Block Verification. The manipulation leads to improper access controls. The attack can be launched remotely. Upgrading to version 1.1.1.0-hal is able to address this issue. The identifier of the patch is 0675b25ae9cc10b5fdc8ea3a32c642979762d45e. It is recommended to upgrade the affected component. The identifier VDB-217417 was assigned to this vulnerability.

Affected

ProductAffectedFixed inSource
Halcyonn/a–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulDB (CNA)6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
VulDB (CNA)6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References

writeupvuldb.com/?id.217417refvuldb.com/?ctiid.217417patchgithub.com/ghostlander/Halcyon/commit/0675b25ae9cc10b5fdc8ea3a32c642979762d45epatchgithub.com/ghostlander/Halcyon/releases/tag/v1.1.1.0-hal