Aerodrome Velodrome DNS Hijacking Compromises User Token Approvals → Security

A detailed, metallic object with a complex, mechanical design is presented in a close-up, angled perspective, bathed in blue and silver tones. The intricate construction, featuring interlocking plates and visible fasteners, evokes a sense of advanced technological integration

A futuristic white modular device with glowing blue internal components is shown against a dark blue background. From its front aperture, a vibrant stream of varying blue cubes emanates, appearing to flow outward

Briefing

A coordinated DNS hijacking attack targeted the front-end interfaces of Aerodrome Finance and Velodrome, two major decentralized exchanges operating on the Base and Optimism networks, respectively. The exploit redirected users attempting to access the legitimate websites to a malicious, cloned phishing site designed to trick them into signing harmful transactions, specifically token approvals. While the core smart contracts and liquidity pools of both protocols remain secure and unaffected, user assets are at immediate risk from any approvals granted on the compromised domain. This vector mirrors a similar 2023 incident that resulted in user losses exceeding $300,000, underscoring the critical, unmitigated risk posed by centralized domain infrastructure.

This detailed render showcases a sophisticated, spherical computing module with interlocking metallic and white composite panels. A vibrant, bubbling blue liquid sphere is integrated at the top, while a granular white-rimmed aperture reveals a glowing blue core at the front

Context

The DeFi sector has long been aware of the inherent risk associated with centralized components, particularly the Domain Name System (DNS), which acts as a single point of failure for front-end access. This attack surface exists because most users interact with decentralized smart contracts via a traditional, centralized web interface. The prevailing security posture prioritizes on-chain contract audits, often leaving external dependencies like domain registrars vulnerable to standard cyberattack methodologies such as credential compromise or social engineering.

A central, transparent sphere, containing numerous angular, sapphire-hued crystalline fragments, is encased in a clear, multi-tubed structure. This assembly is positioned against a backdrop of larger, fragmented, dark blue crystalline forms and a pale, speckled surface

Analysis

The attack was executed by compromising the security controls of the centralized domain registrar managing the protocols’ official web addresses. This compromise allowed the threat actor to maliciously alter the DNS records, redirecting all incoming traffic to an attacker-controlled server hosting a deceptive clone of the DEX interface. The phishing site then prompted users to sign seemingly innocent signature requests, which were in fact malicious approve() transactions granting the attacker unlimited or large token allowances over the user’s assets. This front-end exploit successfully bypassed the security of the underlying smart contracts, demonstrating a successful attack against the user-interface layer of the Web3 stack.

A sophisticated metallic blue device is depicted, partially open to reveal its intricate internal workings. Finely detailed silver mechanisms, gears, and white fiber-optic-like connections are visible within its structure, with a distinctive light blue, bubbly, foam-like substance emanating from one end

Parameters

Affected Protocols → Aerodrome Finance (Base) and Velodrome (Optimism).
Attack Vector → Centralized DNS Hijacking via Domain Registrar Compromise.
Primary Consequence → User-side Malicious Token Approvals and Wallet Drain Risk.
Protocol Smart Contract Status → Unaffected, all liquidity pools remain secure.

A sophisticated mechanical component, predominantly silver and dark blue, is depicted immersed in a dynamic mass of translucent blue bubbles. The central element is a distinct silver square module with intricate concentric circles, reminiscent of a cryptographic primitive or a secure oracle interface

Outlook

Immediate mitigation for users requires the revocation of all recent token approvals and the exclusive use of decentralized access points, such as the recommended ENS-based mirror sites. This incident will likely accelerate the push for mandatory DNS Security Extensions (DNSSEC) and the complete migration of critical DeFi interfaces to decentralized hosting solutions like IPFS or ENS/EVM-compatible front-ends. Protocols must immediately treat their centralized domain registrars as a critical, high-risk external dependency requiring the same level of multi-factor authentication and access control as their core multi-signature wallets.

A modern office workspace, characterized by a sleek white desk, ergonomic chairs, and dual computer monitors, is dramatically transformed by a powerful, cloud-like wave and icy mountain formations. This dynamic scene flows into a reflective water surface, with concentric metallic rings forming a tunnel-like structure in the background

Verdict

This front-end DNS hijacking confirms that a protocol’s security is only as strong as its weakest centralized dependency, shifting the immediate threat model from smart contract exploits to external infrastructure compromise.

decentralized exchange, front end compromise, domain name system, malicious approval, phishing attack, token drainer, supply chain risk, web3 security, user asset risk, token allowance, layer two protocol, base network, optimism chain, cross chain risk, security vulnerability, external dependency Signal Acquired from → bitget.com