The AWS Well-Architected Framework Guide

Discover the six Amazon Web Services AWS Well-Architected Framework pillars by examining best practices and design principles to leverage the cloud in a more efficient, secure, and cost-effective manner...

Long term denial of service due to lack of fees in Well

Lines of code Vulnerability details Description The Well allows users to permissionless swap assets or add and remove liquidity. Users specify the intended slippage in swapFrom, in minAmountOut. The ConstantProduct2 implementation ensures Kend - Kstart = 0, where K = Reserve1 Reserve2, and the...

The existence of Pump may hinder large swaps or swaps from a low liquidity pool

Lines of code Vulnerability details Impact Large swaps or swaps with low liquidity value may not work properly. Proof of Concept According to the whitepaper, the purpose of the pump is to be a multi-block MEV manipulation resistant to large changes in liquidity value. Since the Well can be create...

Funds added to reserves through sync are accidentally transferred out to users

Lines of code Vulnerability details Impact Wells have the ability to shift funds to other Wells as part of gas-efficient multi-pool swaps. This natspec explanation of this can be find here. The sync function is intended to synchronize the underlying token amounts with the token reserves of the...

The constant product invariant can be broken.

Lines of code Vulnerability details description Let reserves returned by Well.getReserves as x, y and Well.tokenSupply as k. They must maintain the invariant x y EXPPRECISION = k 2. However, the reserves can increase without updating the token supply if a user transfers one token of the well and...

Implementation of Well shift() function allows attackers to completely manipulate the oracles

Lines of code Vulnerability details Description The TWAP mechanism relies on measurements sent to the oracle at various points in time. Before reserve counts change, the TWAP is sent the last reserve counts, which are multiplied by the time passed and added to the accumulator. In MultiFlowPump, i...

Memory corruption in getBytes32FromBytes() can likely lead to loss of funds

Lines of code Vulnerability details Description The LibBytes library is used to read and store uint128 types compactly for Well functions. The function getBytes32FromBytes will fetch a specific index as bytes32. / @dev Read the ith 32-byte chunk from data. / function getBytes32FromBytesbytes memo...

Stealing excess tokens from other users by either front-running skim function or calling it before legitimate user

Lines of code Vulnerability details Impact File /src/interfaces/IWell.sol comment's defines what the skim function is being responsible for: / @notice Sends excess tokens held by the Well to the recipient. @param recipient The address to send the tokens @return skimAmounts The amount of each toke...

How to Achieve AWS Operational Excellence in Your Cloud Workload

Explore the Operational Excellence pillar of the AWS Well-Architected Framework and examine best practices and design principles for cloud-based security operations, including CI/CD and risk management...

annualwellinspection.com Cross Site Scripting vulnerability OBB-3428551

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...

It’s really OK to take a break sometimes, especially in security

Welcome to this weeks edition of the Threat Source newsletter. You probably already know this by now, but May is Mental Health Awareness Month across the globe. Many people will apply this time of reflection and education to their personal lives -- its easy to discuss anxiety, depression and othe...

well-engineering.com Cross Site Scripting vulnerability OBB-3251793

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...

CISOs Are Stressed Out and It's Putting Companies at Risk

Employee well-being has become a primary focus for many businesses. Even before the pandemic, the C-suite was acutely aware of how employee mental health impacts business outcomes. But for cybersecurity professionals, stress has always been a part of the job. A new survey revealed that one of the...

SUSE CVE-2021-21274

Synapse is a Matrix reference homeserver written in python pypi package matrix-synapse. Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.25.0, a malicious homeserver could redirect requests to their .well-known file to a large file. This can lead t...

Rapid7 Announces Global Days Off to Support Employees in 2023

On January 3rd, it was a little bit quieter than usual here at Rapid7. That's because our offices were closed for our first of five Global Days Off for 2023. Global Days Off are designed to encourage teams around the world to unplug and rest, enabling them to bring their best selves back to work...

CVE-2022-39353

A flaw was found in the xmldom package. The xmldom parses XML that is not well-formed because it contains multiple top-level elements, adding all root nodes to the childNodes collection of the Document without reporting errors or throwing. This breaks the assumption that there is only a single ro...

CVE-2022-24669 Anonymous users can register / de-register for configuration change notifications

It may be possible to gain some details of the deployment through a well-crafted attack. This may allow that data to be used to probe internal network services...

CVE-2022-24669

Technical details for CVE-2022-24669 are not publicly available in the provided documents. Monitor for updates.

Ltd. cloud cold chain management system has SQL injection vulnerability

Ltd. is a high-tech company that focuses on people's health, safety and well-being, and is a high-tech enterprise that integrates industrial and personal product development, design, manufacturing and sales to maintain people's health and assist organizations in maintaining the health and safety ...

Well-Architected Framework: Sustainability

One of the key pillars of the AWS Well-Architected Framework WAF is sustainability: the idea that cloud applications should be designed to minimize their environmental impact. Gain insight into the WAF sustainability pillar and discover best practices for architecting your cloud applications to...