🛡️ GHSA-r9rv-9mh8-pxf4 — ckb

⚪ Unknown ✅ No Known Exploit OSV

N/A

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

Nervos CKB BlockTimeTooNew should not be considered as invalid block

Impact

Currently, when a node receives a block in future according to its local wall clock, it will mark the block as invalid and ban the peer.

If the header's timestamp is more than 15 seconds ahead of our current time. In that case, the header may become valid in the future, and we don't want to disconnect a peer merely for serving us one too-far-ahead block header, to prevent an attacker from splitting the network by mining a block right at the 15 seconds boundary.

Patches

Upgrade to v0.33.1 or above.

Workarounds

Don't ban peer serving too-far-ahead block header.

Affected software

GHSA-r9rv-9mh8-pxf4 is recorded against 1 package.

ckb

Timeline and source

Published on 2 February 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

github.com (Web)
github.com (Web)

Details

Severity Unknown

CVSS Score N/A

CVSS Vector N/A

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2024-02-02

Updated 2026-08-20

Modified 2024-02-02

Fix URL N/A

Affected Packages

Software	From version	Fixed in
ckb	—	—

References

WEB https://github.com/nervosnetwork/ckb/security/advisories/GHSA-r9rv-9mh8-pxf4

WEB https://github.com/nervosnetwork/ckb/commit/760d447c8b600df0539debe80b1625836fc72819

🔗 NVD 🔗 Mitre

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