PT-2022-27317 · Btcd+1 · Btcd+1

Rsafier · Published 2022-11-07 · Updated 2022-11-14 · CVE-2022-44797

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 btcd versions prior to 0.23.2 lnd versions prior to 0.15.2-beta

Description The issue is related to the mishandling of witness size checking, which can cause denial of service due to erroneous message decoding. Improper checking of maximum witness size during node message decoding prevents nodes from syncing.

Recommendations For btcd versions prior to 0.23.2, update to version 0.23.2 or later. For lnd versions prior to 0.15.2-beta, update to version 0.15.2-beta or later.

Exploit

Fix

Related Identifiers

CVE-2022-44797

GHSA-2CHG-86HQ-7W38

GO-2022-1098

Affected Products

Btcd

Lnd

References · 17

• 🔥 https://github.com/lightningnetwork/lnd/issues/7002 · Exploit
• https://github.com/btcsuite/btcd/pull/1896 · Patch
• https://ubuntu.com/security/CVE-2022-44797 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-44797 · Security Note
• https://cve.org/CVERecord?id=CVE-2022-44797 · Security Note
• https://osv.dev/vulnerability/GHSA-2chg-86hq-7w38 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-44797 · Vendor Advisory
• https://osv.dev/vulnerability/GO-2022-1098 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-44797 · Vendor Advisory
• https://github.com/lightningnetwork/lnd/releases/tag/v0.15.2-beta · Note
• https://github.com/btcsuite/btcd/releases/tag/v0.23.2 · Note
• https://github.com/btcsuite/btcd/commit/7fdaf6958781df46fffee4bc8bee38801c066da8 · Note
• https://github.com/btcsuite/btcd/pull/1896/commits/f523d4ccaa5f34a2f761f16a05f5d6e6665b1168 · Note
• https://github.com/btcsuite/btcd · Note
• https://github.com/advisories/GHSA-2chg-86hq-7w38 · Note