漏洞信息
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Vulnerability Title
Nimiq: Panic in TrieProof::verify via child_index unwrap on equal-length keys
Vulnerability Description
Nimiq is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. Prior to 1.6.0, a malicious state-sync peer can crash a syncing node by sending a crafted TrieChunk proof containing two TrieProofNode values with identical keys. TrieProof::verify calls TrieProofNode::child_index in primitives/src/trie/trie_proof_node.rs, where is_prefix_of accepts equal keys and KeyNibbles::get is called at the key length, returns None, and is unconditionally unwrapped. Untrusted ResponseChunk data reaches commit_chunks, put_chunk, and proof.verify before cryptographic proof validation, so the attacker does not need a valid proof. Exploitation requires the attacker to be selected as the victim's sync peer during state sync, and the resulting panic is transient because the node restarts and resynchronizes. This issue is fixed in version 1.6.0.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Vulnerability Type
未捕获的异常
Vulnerability Title
Nimiq core-rs-albatross 异常处理不当漏洞
Vulnerability Description
Nimiq core-rs-albatross是Nimiq组织开源的一款基于Rust实现区块链共识与网络节点服务的系统软件。 Nimiq core-rs-albatross 1.6.0之前版本存在异常处理不当漏洞,该漏洞源于在 primitives/src/trie/trie_proof_node.rs 中,TrieProof::verify 调用 child_index 时,is_prefix_of 接受相等密钥,KeyNibbles::get 在密钥长度处返回 None 并被无条件 unwrap,恶意
CVSS Information
N/A
Vulnerability Type
N/A