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OSV
OSV
•added 2024/02/03 12:18 a.m.•12 views

GHSA-3GJH-29FV-8HR6 Nervos CKB Snappy decompress length can be very large and causes out of memory error

Impact Adversary can create message which compressed size is less than the package limit but the decompressed length is very large such as 1G. It will cost the node many memories to process the network messages, and on the system with less than 1G memory, the process is killed directly because of...

7.1AI score
SaveExploits0References1
Github Security Blog
Github Security Blog
•added 2024/02/03 12:18 a.m.•22 views

Nervos CKB Panic on malformed input

Impact CKB process will panic when received malformed p2p message because of snappy, which is used to compress network messages References https://github.com/BurntSushi/rust-snappy/issues/29...

7.1AI score
SaveExploits0References2Affected Software1
OSV
OSV
•added 2024/02/03 12:18 a.m.•17 views

GHSA-WJXC-PJX9-4WVM Nervos CKB Panic on malformed input

Impact CKB process will panic when received malformed p2p message because of snappy, which is used to compress network messages References https://github.com/BurntSushi/rust-snappy/issues/29...

7.1AI score
SaveExploits0References1
Positive Technologies
Positive Technologies
•added 2024/02/03 12:00 a.m.•13 views

PT-2024-40310 · Ckb · Ckb

Name of the Vulnerable Software and Affected Versions: CKB node versions prior to 0.39.2 Description: A bug in the pool statistics causes conflicting transactions to not be subtracted when removed from the pool, leading to the transaction pool becoming full and rejecting all transactions...

7.2AI score
SaveExploits0References2
Positive Technologies
Positive Technologies
•added 2024/02/03 12:00 a.m.•2 views

PT-2024-40502

Name of the Vulnerable Software and Affected Versions CKB affected versions not specified Description The CKB process will panic when it receives a malformed p2p message due to an issue with snappy, which is used for compressing network messages. Recommendations At the moment, there is no...

5.8AI score
SaveExploits0References2
Github Security Blog
Github Security Blog
•added 2024/02/02 10:23 p.m.•21 views

Nervos CKB node panics when processing a block which parent timestamp is too new

Impact Adversary can initiate DOS attack by broadcasting two consecutive blocks with timestamps in the future. Patches Please upgrade to v0.34.1...

7AI score
SaveExploits0References4Affected Software1
OSV
OSV
•added 2024/02/02 10:23 p.m.•23 views

GHSA-R9RV-9MH8-PXF4 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 t...

6.9AI score
SaveExploits0References2
Github Security Blog
Github Security Blog
•added 2024/02/02 10:23 p.m.•27 views

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 t...

6.9AI score
SaveExploits0References3Affected Software1
Github Security Blog
Github Security Blog
•added 2024/02/02 10:22 p.m.•22 views

Nervos CKB DoS: Process exists when p2p discovery protocol receives unsupported peer IP

The p2p discovery protocol assumes that the peer IP must be valid IPv4 address...

7.1AI score
SaveExploits0References3Affected Software1
OSV
OSV
•added 2024/02/02 10:22 p.m.•13 views

GHSA-PR39-8257-FXC2 Nervos CKB DoS: Process exists when p2p discovery protocol receives unsupported peer IP

The p2p discovery protocol assumes that the peer IP must be valid IPv4 address...

7.1AI score
SaveExploits0References2
Github Security Blog
Github Security Blog
•added 2024/02/02 10:21 p.m.•21 views

Nervos CKB P2P DoS Attacks

The P2P protocols lack of rate limit. For example, in relay protocol, when a node receives a broadcasted txhashes, it will mark it in memory to avoid duplicated requests. code → . It is easy to establish a DoS attach by generating random tx hashes. Impact It affects all nodes connected to the P2P...

7AI score
SaveExploits0References3Affected Software1
OSV
OSV
•added 2024/02/02 10:21 p.m.•16 views

GHSA-84X2-2QV6-QG56 Nervos CKB P2P DoS Attacks

The P2P protocols lack of rate limit. For example, in relay protocol, when a node receives a broadcasted txhashes, it will mark it in memory to avoid duplicated requests. code → . It is easy to establish a DoS attach by generating random tx hashes. Impact It affects all nodes connected to the P2P...

7AI score
SaveExploits0References2
Github Security Blog
Github Security Blog
•added 2024/02/02 8:59 p.m.•22 views

Nervos CKB Unaligned Pointer Dereference

via [email protected] There are multiple type conversions in ckb that unsafely cast between byte pointers and other types of pointers. This results in unaligned pointers, which are not allowed by the Rust language, and are considered undefined behavior, meaning that the compiler is free to do...

7.5AI score
SaveExploits0References3Affected Software1
OSV
OSV
•added 2024/02/02 8:59 p.m.•22 views

GHSA-Q669-2VFG-CXCG Nervos CKB Unaligned Pointer Dereference

via [email protected] There are multiple type conversions in ckb that unsafely cast between byte pointers and other types of pointers. This results in unaligned pointers, which are not allowed by the Rust language, and are considered undefined behavior, meaning that the compiler is free to do...

7.5AI score
SaveExploits0References2
Positive Technologies
Positive Technologies
•added 2024/02/02 12:00 a.m.•10 views

PT-2024-40421 · Ckb · Ckb

Name of the Vulnerable Software and Affected Versions: ckb affected versions not specified Description: The issue arises from multiple type conversions in ckb that unsafely cast between byte pointers and other types of pointers, resulting in unaligned pointers. This is considered undefined behavi...

7.3AI score
SaveExploits0References3
Positive Technologies
Positive Technologies
•added 2024/02/02 12:00 a.m.•1 views

PT-2024-40182

Name of the Vulnerable Software and Affected Versions: CKB affected versions not specified Description: The issue is related to the P2P protocols lacking rate limits. Specifically, in the relay protocol, when a node receives a broadcasted tx hashes, it marks them in memory to avoid duplicated...

5.8AI score
SaveExploits0References3
Openbugbounty
Openbugbounty
•added 2023/05/27 2:29 p.m.•10 views

ckbhospital.com Cross Site Scripting vulnerability OBB-3365222

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

6.1AI score
SaveExploits0
Github Security Blog
Github Security Blog
•added 2023/02/08 6:17 p.m.•20 views

Nervos CKB vulnerable to low-resource flood DDoS attacks through network message

Workarounds forbid request genesis through network request forbid requesting duplicate data through network request...

3AI score
SaveExploits0References2Affected Software1
OSV
OSV
•added 2023/02/08 6:17 p.m.•16 views

GHSA-P2GM-FFR3-W2XW Nervos CKB vulnerable to low-resource flood DDoS attacks through network message

Workarounds forbid request genesis through network request forbid requesting duplicate data through network request...

7.2AI score
SaveExploits0References2
Github Security Blog
Github Security Blog
•added 2023/02/08 6:15 p.m.•26 views

Nervos CKB calculation of program load cycles may be missed when executing in resume mode

Impact The calculation of program load cycles may be missed when executing in resume mode. Since the script execution order is now determined, this issue does not cause network splitting...

2.1AI score
SaveExploits0References2Affected Software1
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