Kaseya Supply Chain Ransomware Attack

On July 2, 2021, Kaseya disclosed an active attack against customers using its VSA product, and urged all on-premise customers to switch-off Kaseya VSA. Shortly before this alert, users on Reddit started describing ransomware incidents against managed security providers MSPs, and the common threa...

ProxyShell Exploit Chain

Microsoft Exchange Server Remote Code Execution Vulnerability Recent assessments: ccondon-r7 at August 12, 2021 9:19pm UTC reported: Check out the Rapid7 analysis for details on the exploit chain. Seems like a lot of the PoC implementations so far are using admin mailboxes, but I’d imagine folks...

Red Hat OpenShift 授权问题漏洞

Red Hat OpenShift is a Platform-as-a-Service PaaS cloud computing platform from Red Hat that supports building, testing, deploying, and running applications.A security vulnerability exists in versions prior to OpenShift version 4.8, which stems from a certificate generated by a service CA within ...

SolarWinds Issues Hotfix for Zero-Day Flaw Under Active Attack

SolarWinds has issued a hotfix for a zero-day remote code execution RCE vulnerability already under active, yet limited, attack on some of the company’s customers. Microsoft alerted the company about the flaw, which affects its Serv-U Managed File Transfer Server and Serv-U Secured FTP products...

artillery-core (>=0.1.2 <=0.1.2-alpha.3), bastion (>=0.3.5 <=0.4.5) +502 more potentially affected by CVE-2021-38195 via libsecp256k1 (>=0.1.3 <=0.3.5)

libsecp256k1 CARGO version =0.1.3, =0.1.2, =0.3.5, =0.1.0, =0.1.1, =0.7.0, =0.1.0, =0.2.0, =1.0.0, =0.7.0, =0.8.2 and more Source cves: CVE-2021-38195 Source advisory: OSV:RUSTSEC-2021-0076...

A New Critical SolarWinds Zero-Day Vulnerability Under Active Attack

SolarWinds, the Texas-based company that became the epicenter of a massive supply chain attack late last year, has issued patches to contain a remote code execution flaw in its Serv-U managed file transfer service. The fixes, which target Serv-U Managed File Transfer and Serv-U Secure FTP product...

openSUSE: Security Advisory for curl (openSUSE-SU-2021:1762-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Kaseya Patches Zero-Days Used in REvil Attacks

Kaseya made good on its promise to issue patches by July 11. On Saturday, the company behind the Virtual System/Server Administrator VSA platform that got walloped by the REvil ransomware-as-a-service RaaS gang in a massive supply-chain attack released urgent updates to address critical zero-day...

Kaseya Releases Patches for Flaws Exploited in Widespread Ransomware Attack

Florida-based software vendor Kaseya on Sunday rolled out urgent updates to address critical security vulnerabilities in its Virtual System Administrator VSA solution that was used as a jumping off point to target as many as 1,500 businesses across the globe as part of a widespread supply-chain...

Router liquidity on receiving chain can be double-dipped by the user

Handle 0xRajeev Vulnerability details Impact During fulfill on the receiving chain, if the user has set up an external contract at txData.callTo, the catch blocks for both IFulfillHelper.addFunds and IFulfillHelper.excute perform transferAsset to the predetermined fallback address...

Expired transfers will lock user funds on the sending chain

Handle 0xRajeev Vulnerability details Impact The cancelling relayer is being paid in receivingAssetId on the sendingChain instead of in sendingAssetID. If the user relies on a relayer to cancel transactions and that receivingAssetId asset does not exist on the sending chain assuming only...

Transactions nearing block.gaslimit may cause issues

Handle hrkrshnn Vulnerability details transactions nearing block.gaslimit may cause issues A general problem with schemes that require multiple steps and whose inputs are dynamically typed is that: a user may be able to "commit" something, but never "execute" it because the "execute" transaction...

OPENSUSE-SU-2021:1762-1 Security update for curl

This update for curl fixes the following issues: - CVE-2021-22898: Fixed curl TELNET stack contents disclosure bsc1186114. - Allow partial chain verification jscSLE-17956 Have intermediate certificates in the trust store be treated as trust-anchors, in the same way as self-signed root CA...

Malicious router can block cross-chain-transfers

Handle cmichel Vulnerability details Vulnerability Details The agreement between the user and the router seems to already happen off-chain because all the fields are required for the initial InvariantTransactionData call already. A router could pretend to take on a user's cross-chain transfer, th...

TransactionIDs may not be reused by user

Handle cmichel Vulnerability details Vulnerability Details The fulfill signature is only on txData.transactionId, relayerFee which allows the router to steal user funds for cross-chain transfers that go to the same router and use the same transaction ID as an earlier transfer. Example: a successf...

Funds are sent twice on callTo errors

Handle cmichel Vulnerability details Vulnerability Details The fulfill transaction on the receiving chain tries to call the addFunds and execute actions on txData.callTo. When any of the calls reverts, the funds are sent to the txData.receivingAddress. The txData.callTo is user-controlled and an...

User prepare can be denied

Handle cmichel Vulnerability details Vulnerability Details Upon observing a prepare transaction, an attacker can frontrun it with the same invariantData but an amount of a single wei. This inserts a value into variantTransactionDatadigest and the original transcation will fail because of the...

Funds can be stolen because of approval + send

Handle cmichel Vulnerability details Vulnerability Details The fulfill transaction on the receiving chain first approves the txData.callTo contract with the toSend amount. It then tries to call the addFunds and execute actions on txData.callTo. When any of the calls reverts, the funds are sent to...

Security update for curl (moderate)

openSUSE Security Update: Security update for curl Announcement ID: openSUSE-SU-2021:1762-1 Rating: moderate References: 1186114 SLE-17956 Cross-References: CVE-2021-22898 CVSS scores: CVE-2021-22898 NVD : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2021-22898 SUSE: 5.3...

Securing the Supply Chain: Lessons Learned from the Codecov Compromise

Supply chain attacks are all the rage these days. While they’re not a new part of the threat landscape, they are growing in popularity among more sophisticated threat actors, and they can create significant system-wide disruption, expense, and loss of confidence across multiple organizations,...