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Terrapin Attack

SSH protocol flaw – Terrapin Attack CVE-2023-48795: All you need to know
December 25, 2023

The SSH Terrapin attack (CVE-2023-48795) has recently caught attention, targeting the SSH protocol security by truncating cryptographic information. The inherent flaw in the SSH protocol itself affects a wide range of SSH client and server implementations. Following our initial research communication, this post will detail its fundamentals and impact. Affected Implementations Terrapin Attack Exploitation Impacts …

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Analyzing Impala Stealer – Payload of the first NuGet attack campaign
April 10, 2023

Analyzing Impala Stealer – Payload of the first NuGet attack campaign In this blog post, we’ll provide a detailed analysis of a malicious payload we’ve dubbed “Impala Stealer”, a custom crypto stealer which was used as the payload for the NuGet malicious packages campaign we’ve exposed in our previous post. The sophisticated campaign targeted .NET …

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JFrog’s Best DevSecOps Blogs of 2021
January 13, 2022

Always a concern for DevOps teams, security has now become a critical part of developing and releasing software – a reality reflected on the sharp increase in JFrog blogs about DevSecOps. In fact, we generated so many hard-hitting and instructive blogs about security and compliance in 2021 that we decided our DevSecOps coverage deserved its …

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Log4j Vulnerable Packages in Maven Central

Log4j Vulnerability Alert: 100s of Exposed Packages Uncovered in Maven Central
December 30, 2021

The high risk associated with newly discovered vulnerabilities in the highly popular Apache Log4j library – CVE-2021-44228 (also known as Log4Shell) and CVE-2021-45046 – has led to a security frenzy of unusual scale and urgency. Developers and security teams are pressed to investigate the impact of  Log4j vulnerabilities on their software, revealing multiple technical challenges …

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Malicious npm Packages Are After Your Discord Tokens – 17 New Packages Disclosed
December 08, 2021

The JFrog Security research team continuously monitors popular open source software (OSS) repositories with our automated tooling, and reports any vulnerabilities or malicious packages discovered to repository maintainers and the wider community. Most recently we disclosed 11 malicious packages in the PyPI repository, a discovery that shows attacks are getting more sophisticated in their approach. …

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Python Malware Imitates Signed PyPI Traffic in Novel Exfiltration Technique
November 18, 2021

The JFrog Security research team continuously monitors popular open source software (OSS) repositories with our automated tooling to report vulnerable and malicious packages to repository maintainers. Earlier this year we disclosed several malicious packages targeting developers’ private data that were downloaded approximately 30K times. Today, we will share details about 11 new malware packages that …

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TensorFlow Python code injection 203x148

TensorFlow Python Code Injection: More eval() Woes
November 16, 2021

Background JFrog security research team (formerly Vdoo) has recently disclosed a code injection issue in one of the utilities shipped with TensorFlow, a popular Machine Learning platform that’s widely used in the industry. The issue has been assigned to CVE-2021-41228. Read more about our previous, similar disclosure in Yamale in our previous blog post. The …

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Unboxing BusyBox – 14 new vulnerabilities uncovered by Claroty and JFrog
November 09, 2021

Background Embedded devices with limited memory and storage resources are likely to leverage a tool such as BusyBox, which is marketed as the Swiss Army Knife of embedded Linux. BusyBox is a software suite of many useful Unix utilities, known as applets, that are packaged as a single executable file. Within BusyBox you can find …

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YAML Security Vulnerability

23andMe’s Yamale Python code injection, and properly sanitizing eval()
October 05, 2021

Background JFrog security research team (formerly Vdoo) has recently disclosed a code injection issue in Yamale, a popular schema validator for YAML that’s used by over 200 repositories. The issue has been assigned to CVE-2021-38305. The injection issue An attacker that can control the contents of the schema file that’s supplied to Yamale (-s/–schema command …

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