Attacking the VM Worker Process

In the past year we invested a lot of time making Hyper-V research more accessible to everyone. Our first blog post, “First Steps in Hyper-V Research”, describes the tools and setup for debugging the hypervisor and examines the interesting attack surfaces of the virtualization stack components. W...

Attacking the VM Worker Process

In the past year we invested a lot of time making Hyper-V research more accessible to everyone. Our first blog post, “First Steps in Hyper-V Research”, describes the tools and setup for debugging the hypervisor and examines the interesting attack surfaces of the virtualization stack components. W...

CVE-2019-1294: Undefined Security Weakness

A security feature bypass exists when Windows Secure Boot improperly restricts access to debugging functionality, aka 'Windows Secure Boot Security Feature Bypass Vulnerability'...

Windows Secure Boot Security Feature Bypass Vulnerability

A security feature bypass exists when Windows Secure Boot improperly restricts access to debugging functionality. An attacker who successfully exploited this vulnerability could disclose protected kernel memory. To exploit the vulnerability, an attacker must gain physical access to the target...

Metasploit HTTP(S) handler DoS

This module exploits the Metasploit HTTPS handler by sending a specially crafted HTTP request that gets added as a resource handler. Resources which come from the external connections are evaluated as RegEx in the handler server. Specially crafted input can trigger Gentle, Soft and Hard DoS. Test...

CVE-2019-11248

The debugging endpoint /debug/pprof is exposed over the unauthenticated Kubelet healthz port. The go pprof endpoint is exposed over the Kubelet's healthz port. This debugging endpoint can potentially leak sensitive information such as internal Kubelet memory addresses and configuration, or for...

CVE-2019-11248

The debugging endpoint /debug/pprof is exposed over the unauthenticated Kubelet healthz port. The go pprof endpoint is exposed over the Kubelet's healthz port. This debugging endpoint can potentially leak sensitive information such as internal Kubelet memory addresses and configuration, or for...

Default configuration

The debugging endpoint /debug/pprof is exposed over the unauthenticated Kubelet healthz port. The go pprof endpoint is exposed over the Kubelet's healthz port. This debugging endpoint can potentially leak sensitive information such as internal Kubelet memory addresses and configuration, or for...

CVE-2019-11248

The debugging endpoint /debug/pprof is exposed over the unauthenticated Kubelet healthz port. The go pprof endpoint is exposed over the Kubelet's healthz port. This debugging endpoint can potentially leak sensitive information such as internal Kubelet memory addresses and configuration, or for...

CVE-2019-11248 Kubernetes kubelet exposes /debug/pprof info on healthz port

The debugging endpoint /debug/pprof is exposed over the unauthenticated Kubelet healthz port. The go pprof endpoint is exposed over the Kubelet's healthz port. This debugging endpoint can potentially leak sensitive information such as internal Kubelet memory addresses and configuration, or for...

CVE-2019-11248

CVE-2019-11248 describes exposure of the Go pprof debugging endpoint at /debug/pprof on the unauthenticated Kubelet healthz port. The connected nuclei template confirms the issue: the pprof endpoint is exposed via the Kubelet healthz port, potentially leaking internal Kubelet memory addresses and...

Definitive Dossier of Devilish Debug Details – Part One: PDB Paths and Malware

Have you ever wondered what goes through the mind of a malware author? How they build their tools? How they organize their development projects? What kind of computers and software they use? We took a stab and answering some of those questions by exploring malware debug information. We find that...

The vulnerability in the dwarf_elf_load_headers.c component of the library for providing access to debugging information in DWARF libdwarf, which allows a malicious actor to cause a service failure.

The vulnerability of the dwarfelfloadheaders.c component in the library that provides access to debugging information in DWARF libdwarf is related to zero-division errors. Exploiting this vulnerability could allow a malicious actor to cause service failures using an ELF file...

Security Bulletin: IBM Cloud Kubernetes Service is affected by Kubernetes security vulnerability (CVE-2019-11248)

Summary IBM Cloud Kubernetes Service is affected by a security vulnerability in the Kubelet healthz port that exposes the debugging endpoint on localhost CVE-2019-11248 Vulnerability Details CVE-ID: CVE-2019-11248 Description: Kubernetes could allow a remote attacker to obtain sensitive...

Security update for the Linux Kernel (important)

openSUSE Security Update: Security update for the Linux Kernel Announcement ID: openSUSE-SU-2019:1923-1 Rating: important References: 1051510 1055117 1071995 1083647 1083710 1085030 1086103 1102247 1103991 1103992 1104745 1106061 1109837 1111666 1112374 1114279 1119222 1123959 1127034 1127315...

PT-2019-12214

Name of the Vulnerable Software and Affected Versions Kubernetes versions prior to 1.15.0 Kubernetes versions prior to 1.14.4 Kubernetes versions prior to 1.13.8 Kubernetes versions prior to 1.12.10 Description The issue concerns the exposure of the debugging endpoint "/debug/pprof" over the...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4739)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2019-4739 advisory. - Input: gtco - bounds check collection indent level Grant Hernandez Orabug: 30074413 CVE-2019-13631 Tenable has extracted the preceding description block...

Information Disclosure

github.com/kubernetes/kubernetes is vulnerable to information disclosure. The vulnerability exists as the debugging endpoint debug/pprof is exposed over the unauthenticated healthz port...

SilverSHielD 6.x - Local Privilege Escalation

SilverSHielD 6.x - Local Privilege Escalation This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework Exploit Title: extenua SilverSHielD 6.x local priviledge escalation Google Dork: na Date: 31 Jul 2019 Exploit Author: Ian...

CVE-2019-1010180

GNU gdb All versions is affected by: Buffer Overflow - Out of bound memory access. The impact is: Deny of Service, Memory Disclosure, and Possible Code Execution. The component is: The main gdb module. The attack vector is: Open an ELF for debugging. The fixed version is: Not fixed yet...