CVE-2021-32606

A flaw was found in the Linux kernel. A use-after-free flaw in isotpsetsockopt leads to arbitrary kernel execution by overwriting the skerrorreport pointer which can be misused in order to execute a user-controlled ROP chain to gain root privileges. The highest threat from this vulnerability is t...

U.S. Intelligence Agencies Warn About 5G Network Weaknesses

Inadequate implementation of telecom standards, supply chain threats, and weaknesses in systems architecture could pose major cybersecurity risks to 5G networks, potentially making them a lucrative target for cybercriminals and nation-state adversaries to exploit for valuable intelligence. The...

Ransomware Shuts Down US Pipeline

This is a major story: a probably Russian cybercrime group called DarkSide shut down the Colonial Pipeline in a ransomware attack. The pipeline supplies much of the East Coast. This is the new and improved ransomware attack: the hackers stole nearly 100 gig of data, and are threatening to publish...

All in One SEO Pack < 4.1.0.2 - Admin RCE via unserialize

The plugin enables authenticated users with "aioseotoolssettings" privilege most of the time admin to execute arbitrary code on the underlying host. Users can restore plugin's configuration by uploading a backup .ini file in the section "Tool Import/Export". However, the plugin attempts to...

Weak PRNG

Handle maplesyrup Vulnerability details Impact Using blockhash/blocknumber and randNone are subject to attack, particularly by malicious miners: This could be used to the behavior of getRandomTokenIdFromFund to cause a preferential TokenId to be returned. It allows for gaming of the system by...

Stopping Carbanak+FIN7: How Microsoft led in the MITRE Engenuity® ATT&CK® Evaluation

In MITRE Engenuity’s recent Carbanak+FIN7 ATT&CK Evaluation, Microsoft demonstrated that we can stop advanced, real-world attacks by threat actor groups with our industry-leading security capabilities. In this year’s evaluation, we engaged our unified Microsoft 365 Defender stack, with...

Why Software Supply Chain Attacks Are Inevitable and What You Must Do to Protect Your Applications

Most organizations have limited visibility over their software supply chain and little control of up to 95% of the software code they utilize. With multiple code sources from multiple software vendors, the number of known and unknown vulnerabilities quickly grows beyond the capabilities of intern...

A week in security (April 26 – May 2)

Last week on Malwarebytes Labs, we looked at which age range is most likely to be targeted by online predators, talked to Malwarebytes CISO John Donovan on our Lock and Code podcast, and explored the latest deepfake happenings. We also dug into a supply chain attack, discussed threats from a...

5 Ways Your Software Supply Chain is Out to Get You, Part 5: Hostile Takeover

We have come to the fifth and last part of this blog series on software supply chain attacks. Previously, we discussed four notorious supply chain attack methods, Vendor Compromise, Exploit Third Party Applications, Exploit Open Source Libraries, and Dependency Confusion and provided insight into...

CA certificate check bypass with X509_V_FLAG_X509_STRICT

The X509VFLAGX509STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded elliptic curve parameters was added as an...

RUSTSEC-2021-0056 CA certificate check bypass with X509_V_FLAG_X509_STRICT

The X509VFLAGX509STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded elliptic curve parameters was added as an...

A Tale of Two Hacks: From SolarWinds to Microsoft Exchange

The past four months have exposed two high-profile attacks, which both had pundits declaring them the “worst-ever” and “unprecedented.” They shared other similarities – both attacked businesses rather than individuals, and affected tens of thousands of organizations. But that is where the...

Passwordstate Warns of Ongoing Phishing Attacks Following Data Breach

Click Studios, the Australian software firm which confirmed a supply chain attack affecting its Passwordstate password management application, has warned customers of an ongoing phishing attack by an unknown threat actor. "We have been advised a bad actor has commenced a phishing attack with a...

Lack of chain information in the signed data leads to potential replay attacks.

Handle shw Vulnerability details Impact The Offer structure, whose hash is signed by a maker, does not contain information of the current chain. Therefore, the signature is valid on all EVM-compatible chains. In the situation of a future hard fork of the Ethereum network, the valid signatures on...

Codecov Releases New Detections for Supply Chain Compromise

CISA is aware of a compromise of the Codecov software supply chain in which a malicious threat actor made unauthorized alterations of Codecov’s Bash Uploader script, beginning on January 31, 2021. Upon discovering the compromise on April 1, 2021, Codecov immediately remediated the affected script...

A New PHP Composer Bug Could Enable Widespread Supply-Chain Attacks

The maintainers of Composer, a package manager for PHP, have shipped an update to address a critical vulnerability that could have allowed an attacker to execute arbitrary commands and "backdoor every PHP package," resulting in a supply-chain attack. Tracked as CVE-2021-29472, the security issue...

5 Ways Your Software Supply Chain is Out to Get You, Part 4: Dependency Confusion

Previously, we discussed how three kinds of supply chain attack methods, Vendor Compromise, Exploit Third Party Applications, and Exploit Open Source Libraries are threatening software supply chains, passing risk downstream to the organizations and users that trust and depend on them. In this...

Google Chrome V8 Bug Allows Remote Code-Execution

Google’s Chrome browser has several security vulnerabilities that could pave the way to multiple types of attacks, including a V8 bug that could allow remote code execution RCE within a user’s browser. The high-severity V8 issue is tracked as CVE-2021-21227, and was reported by Gengming Liu from...

GitHub Missing Audit Logging

Original blog post here: https://wwws.nightwatchcybersecurity.com/2021/04/25/supply-chain-attacks-via-github-com-releases/ SUMMARY Release functionality on GitHub.com allows modification of assets within a release by any project collaborator. This can occur after the release is published, and...

5 Ways Your Software Supply Chain is Out to Get You, Part 3: Exploit Open Source Libraries

In previous posts, we explained how two kinds of supply chain attack methods, Vendor Compromise and Exploit Third Party Applications, are threatening software supply chains, transferring an extraordinary amount of risk downstream to the organizations and users that trust and depend on them. In th...