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5 vulnerabilities by btcd_project
CVE-2024-38365 (GCVE-0-2024-38365)
Vulnerability from cvelistv5 – Published: 2024-10-11 19:32 – Updated: 2024-10-11 19:48
VLAI
Title
btcd did not correctly re-implement Bitcoin Core's "FindAndDelete()" functionality
Summary
btcd is an alternative full node bitcoin implementation written in Go (golang). The btcd Bitcoin client (versions 0.10 to 0.24) did not correctly re-implement Bitcoin Core's "FindAndDelete()" functionality. This logic is consensus-critical: the difference in behavior with the other Bitcoin clients can lead to btcd clients accepting an invalid Bitcoin block (or rejecting a valid one). This consensus failure can be leveraged to cause a chain split (accepting an invalid Bitcoin block) or be exploited to DoS the btcd nodes (rejecting a valid Bitcoin block). An attacker can create a standard transaction where FindAndDelete doesn't return a match but removeOpCodeByData does making btcd get a different sighash, leading to a chain split. Importantly, this vulnerability can be exploited remotely by any Bitcoin user and does not require any hash power. This is because the difference in behavior can be triggered by a "standard" Bitcoin transaction, that is a transaction which gets relayed through the P2P network before it gets included in a Bitcoin block. `removeOpcodeByData(script []byte, dataToRemove []byte)` removes any data pushes from `script` that contain `dataToRemove`. However, `FindAndDelete` only removes exact matches. So for example, with `script = "<data> <data||foo>"` and `dataToRemove = "data"` btcd will remove both data pushes but Bitcoin Core's `FindAndDelete` only removes the first `<data>` push. This has been patched in btcd version v0.24.2. Users are advised to upgrade. There are no known workarounds for this issue.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-670 - Always-Incorrect Control Flow Implementation
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/btcsuite/btcd/security/advisor… | x_refsource_CONFIRM |
| https://github.com/btcsuite/btcd/commit/04469e600… | x_refsource_MISC |
| https://delvingbitcoin.org/t/cve-2024-38365-publi… | x_refsource_MISC |
| https://github.com/btcsuite/btcd/releases/tag/v0.24.2 | x_refsource_MISC |
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CVE-2024-34478 (GCVE-0-2024-34478)
Vulnerability from cvelistv5 – Published: 2024-05-05 00:00 – Updated: 2024-08-07 15:03
VLAI
Summary
btcd before 0.24.0 does not correctly implement the consensus rules outlined in BIP 68 and BIP 112, making it susceptible to consensus failures. Specifically, it uses the transaction version as a signed integer when it is supposed to be treated as unsigned. There can be a chain split and loss of funds.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-436 - Interpretation Conflict
Assigner
References
Impacted products
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CVE-2022-39389 (GCVE-0-2022-39389)
Vulnerability from cvelistv5 – Published: 2022-11-17 00:00 – Updated: 2025-04-22 16:07
VLAI
Title
Witness Block Parsing DoS Vulnerability in lnd
Summary
Lightning Network Daemon (lnd) is an implementation of a lightning bitcoin overlay network node. All lnd nodes before version `v0.15.4` are vulnerable to a block parsing bug that can cause a node to enter a degraded state once encountered. In this degraded state, nodes can continue to make payments and forward HTLCs, and close out channels. Opening channels is prohibited, and also on chain transaction events will be undetected. This can cause loss of funds if a CSV expiry is researched during a breach attempt or a CLTV delta expires forgetting the funds in the HTLC. A patch is available in `lnd` version 0.15.4. Users are advised to upgrade. Users unable to upgrade may use the `lncli updatechanpolicy` RPC call to increase their CLTV value to a very high amount or increase their fee policies. This will prevent nodes from routing through your node, meaning that no pending HTLCs can be present.
Severity
8.2 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| lightningnetwork | lnd |
Affected:
< v0.15.4-beta
|
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CVE-2022-44797 (GCVE-0-2022-44797)
Vulnerability from cvelistv5 – Published: 2022-11-07 00:00 – Updated: 2025-05-01 17:38
VLAI
Summary
btcd before 0.23.2, as used in Lightning Labs lnd before 0.15.2-beta and other Bitcoin-related products, mishandles witness size checking.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
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CVE-2018-17145 (GCVE-0-2018-17145)
Vulnerability from cvelistv5 – Published: 2020-09-10 16:32 – Updated: 2024-08-05 10:39
VLAI
Summary
Bitcoin Core 0.16.x before 0.16.2 and Bitcoin Knots 0.16.x before 0.16.2 allow remote denial of service via a flood of multiple transaction inv messages with random hashes, aka INVDoS. NOTE: this can also affect other cryptocurrencies, e.g., if they were forked from Bitcoin Core after 2017-11-15.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/bitcoin/bitcoin/blob/v0.16.2/d… | x_refsource_MISC |
| https://en.bitcoin.it/wiki/Common_Vulnerabilities… | x_refsource_MISC |
| https://invdos.net/paper/CVE-2018-17145.pdf | x_refsource_CONFIRM |
| https://invdos.net | x_refsource_CONFIRM |
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