USN-5929-1: Linux kernel (Raspberry Pi) vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

Ubuntu 22.10 : Linux kernel (Raspberry Pi) vulnerabilities (USN-5832-1)

The remote Ubuntu 22.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5832-1 advisory. Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a...

USN-5832-1: Linux kernel (Raspberry Pi) vulnerabilities

Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2022-4378 Tamás Koczka discovered that the Bluetooth L2CAP handshake...

USN-5829-1: Linux kernel (Raspberry Pi) vulnerabilities

It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-43945 Tamás Koczka discovered that th...

PT-2023-34153 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.15.86 Description: A possible memory leak was discovered in the rpi firmware probe function. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel versions prio...

New Analysis Reveals Raspberry Robin Can be Repurposed by Other Threat Actors

A new analysis of Raspberry Robin's attack infrastructure has revealed that it's possible for other threat actors to repurpose the infections for their own malicious activities, making it an even more potent threat. Raspberry Robin aka QNAP worm, attributed to a threat actor dubbed DEV-0856, is a...

New Analysis Reveals Raspberry Robin Can be Repurposed by Other Threat Actors

A new analysis of Raspberry Robin's attack infrastructure has revealed that it's possible for other threat actors to repurpose the infections for their own malicious activities, making it an even more potent threat. Raspberry Robin aka QNAP worm, attributed to a threat actor dubbed DEV-0856, is a...

USN-5793-1: Linux kernel vulnerabilities

It was discovered that the iouring subsystem in the Linux kernel did not properly perform reference counting in some situations, leading to a use- after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-3910 ...

USN-5790-1: Linux kernel vulnerabilities

It was discovered that the BPF verifier in the Linux kernel did not properly handle internal data structures. A local attacker could use this to expose sensitive information kernel memory. CVE-2021-4159 It was discovered that a race condition existed in the Android Binder IPC subsystem in the Lin...

Raspberry Robin Worm Evolves to Attack Financial and Insurance Sectors in Europe

Financial and insurance sectors in Europe have been targeted by the Raspberry Robin worm, as the malware continues to evolve its post-exploitation capabilities while remaining under the radar. "What is unique about the malware is that it is heavily obfuscated and highly complex to statically...

Raspberry Robin Worm Strikes Again, Targeting Telecom and Government Systems

The Raspberry Robin worm has been used in attacks against telecommunications and government office systems across Latin America, Australia, and Europe since at least September 2022. "The main payload itself is packed with more than 10 layers for obfuscation and is capable of delivering a fake...

Raspberry Robin Malware Targets Telecom, Governments

We found samples of the Raspberry Robin malware spreading in telecommunications and government office systems beginning September. The main payload itself is packed with more than 10 layers for obfuscation and is capable of delivering a fake payload once it detects sandboxing and security analyti...

Silence is golden partner for Truebot and Clop ransomware

A recent rise in the number of Truebot infections has been attributed to a threat actor known as the Silence Group. The Silence Group is an initial access broker IAB that frequently changes tools and tactics to stay on top of the game. An IAB's primary task is to find a weakness or vulnerability,...

Truebot exploits vulnerability in Netwrix to deploy Clop Ransomware

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary In 2017, Truebot was discovered to be linked to the Silence group and has affected more than 1,500 systems worldwide with shellcode, Cobalt Strike beacons, Grace malware, the Teleport tool, and Clop...

New TrueBot Malware Variant Leveraging Netwrix Auditor Bug and Raspberry Robin Worm

Cybersecurity researchers have reported an increase in TrueBot infections, primarily targeting Mexico, Brazil, Pakistan, and the U.S. Cisco Talos said the attackers behind the operation have moved from using malicious emails to alternative delivery methods such as the exploitation of a now-patche...

Breaking the silence - Recent Truebot activity

Since August 2022, we have seen an increase in infections of Truebot aka Silence.Downloader malware. Truebot was first identified in 2017 and researchers have linked it to a threat actor called Silence Group that is responsible for several high-impact attacks on financial institutions in several...

USN-5757-1: Linux kernel vulnerabilities

Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-427...

USN-5728-2: Linux kernel vulnerabilities

Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-427...

CVE-2022-41073

Windows Print Spooler Elevation of Privilege Vulnerability Recent assessments: ccondon-r7 at December 29, 2022 11:52pm UTC reported: Evidently this is being used for privilege escalation in ransomware attacks when threat actors have initial access to systems through existing Raspberry Robin,...

Raspberry Robin worm used as ransomware prelude

Raspberry Robin aka Worm.RaspberyRobin started out as an annoying, yet relatively low-profile threat that was often installed via USB drive. First spotted in September 2021, it was typically introduced into a network through infected removable drives, often USB devices. Now the worm has been foun...