UBUNTU-CVE-2022-3204

A vulnerability named 'Non-Responsive Delegation Attack' NRDelegation Attack has been discovered in various DNS resolving software. The NRDelegation Attack works by having a malicious delegation with a considerable number of non responsive nameservers. The attack starts by querying a resolver for...

CVE-2022-3204 NRDelegation Attack

A vulnerability named 'Non-Responsive Delegation Attack' NRDelegation Attack has been discovered in various DNS resolving software. The NRDelegation Attack works by having a malicious delegation with a considerable number of non responsive nameservers. The attack starts by querying a resolver for...

CVE-2022-3204

CVE-2022-3204 describes NRDelegation Attack affecting unbound. The issue allows/resource consumption via malicious delegations with many non-responsive NS records, leading to high CPU and potential DoS. Affected software is Unbound; fixes were introduced in version 1.16.3 and backported in subseq...

CVE-2022-3204

A vulnerability named 'Non-Responsive Delegation Attack' NRDelegation Attack has been discovered in various DNS resolving software. The NRDelegation Attack works by having a malicious delegation with a considerable number of non responsive nameservers. The attack starts by querying a resolver for...

CVE-2022-3204

A vulnerability named 'Non-Responsive Delegation Attack' NRDelegation Attack has been discovered in various DNS resolving software. The NRDelegation Attack works by having a malicious delegation with a considerable number of non responsive nameservers. The attack starts by querying a resolver for...

unbound -- Non-Responsive Delegation Attack

A vulnerability named 'Non-Responsive Delegation Attack' NRDelegation Attack has been discovered in various DNS resolving software. The NRDelegation Attack works by having a malicious delegation with a considerable number of non responsive nameservers. The attack starts by querying a resolver for...

Non-Responsive Delegation Attack' (NRDelegation Attack)

unbound:edge is vulnerable to non-responsive delegation attack. The attacker can cause a resolver to spend a lot of time/resources resolving records under a malicious delegation point where a considerable number of unresponsive NS records reside...

PT-2022-6741 · Nlnet +8 · Unbound +8

Name of the Vulnerable Software and Affected Versions: Unbound versions prior to 1.16.3 Description: The issue is related to a Non-Responsive Delegation Attack NRDelegation Attack that affects various DNS resolving software, including Unbound. This attack involves a malicious delegation with a...

NLnet Labs Unbound 资源管理错误漏洞

NLnet Labs Unbound is an open source DNS server from NLnet Labs. A security vulnerability exists in versions prior to NLnet Labs Unbound 1.16.3, which stems from the fact that Unbound is not affected by high CPU usage, but still requires resources to resolve malicious delegates, and will keep...

Attackers can mislead users to think they delegated their voting power to them

Lines of code Vulnerability details Impact The delegation of the voting power in the Crowdfund contract can be changed even after the party is created. If a user changes this delegation, it won't change the actual delegation, which can help attackers to mislead users into thinking they delegated...

Previously nominated delegate can reset the delegation

Lines of code Vulnerability details burn allows for previously recorded delegate to set himself to be contributor's delegate even if another one was already chosen. This can be quite material as owner choice for the whole voting power is being reset this way to favor the old delegate. Proof of...

Users could keep increasing the voting weight just by one NFT

Lines of code Vulnerability details Impact With only one NFT the user can keep increasing the voting weight on different addresses Proof of Concept 1- let’s say Alice has one NFT 2- he delegate to Bob 3- Alice invoke transferFrom to Richard 4- Richard invoke delegate to Bob So now Bob has two...

ERC721Votes: Token owners can double voting power through self delegation

Lines of code Vulnerability details The owner of one or many ERC721Votes tokens can double their voting power once and only once by delegating to their own address as their first delegation. Scenario This exploit relies on the initial default value of the delegation mapping in ERC721Votes, which ...

User can steal their delegate's votes by receiving new tokens and redelegating

Lines of code Vulnerability details Impact A user is able to steal all the votes of any other user by delegating to them, accumulating additional NFTs to increase balance without increasing delegated votes, and then moving their delegates which is performed based on their balance. Proof of Concep...

Adversary can gain Infinite voting power due to integer overflow

Lines of code Vulnerability details Impact Specifically, ERC721Votes enables users to delegate their voting power to others. Note that when delegating the voting power, the actual token balance will not change. On the other hand, when transferring tokens, the voting power transfers accordingly:...

malicious attacker can manipulate another delegator vote

Lines of code Vulnerability details Impact The function ERC721Checkpointable.delegate is used to change and delegate to another accounts and it call an internal function delegate which will change the delegator of the msg.sender and it will also call another internal function moveDelegates which...

Nouns NFT owner delegating voting power to the zero-address will lock all owned Nouns forever

Lines of code Vulnerability details Impact Nouns NFTs represent governance voting power by having the NounsToken contract inherit the ERC721Checkpointable contract. The ERC721Checkpointable contract is based on the Comp.sol implementation by Compound. One of the modifications is not needing to...

User can lose all governance power

Lines of code Vulnerability details Impact Contract is missing self delegation in case of delegateBySig function. This means if delegateBySig is called with zero address delegatee then User votes will be burned instead of setting delegatee to signatory Proof of Concept 1. User calls delegateBySig...

USN-5569-1: Unbound vulnerabilities

Xiang Li discovered that Unbound incorrectly handled delegation caching. A remote attacker could use this issue to keep rogue domain names resolvable long after they have been revoked...

USN-5569-1 unbound vulnerabilities

Xiang Li discovered that Unbound incorrectly handled delegation caching. A remote attacker could use this issue to keep rogue domain names resolvable long after they have been revoked...