Linux/x86 - File Modification(/etc/hosts) Polymorphic Shellcode (99 bytes)

/ Title: Linux/86 - File Modification/etc/hosts Polymorphic Shellcode 99 bytes Author: Ray Doyle @doylersec Tested on: Linux/x86 gcc -o polyhostsshellcode -z execstack -fno-stack-protector polyhostsshellcode.c / / Disassembly of section .text: 08048060 : 8048060: 29 c9 sub ecx,ecx 8048062: 51 pus...

CVE-2018-16749

CVE-2018-16749: In ImageMagick 7.0.7-29 and earlier, a missing NULL check in ReadOneJNGImage (coders/png.c) allows a crafted file to trigger a denial of service (WriteBlob assertion failure and app exit). Affected versions are before the fixed release. Remediation: update ImageMagick to a version...

Linux/x64 - Add Root User (toor/toor) Shellcode (99 bytes)

; Title: add root user toor:toor ; Date: 20180811 ; Author: epi ; https://epi052.gitlab.io/notes-to-self/ ; Tested on: linux/x8664 SMP CentOS-7 3.10.0-862.2.3.el7.x8664 GNU/Linux ; ; Shellcode Length: 99 bytes ; Action: Adds a user into /etc/passwd with the following information ; username: toor ...

Linux: Uninitialized state in x86 PV failsafe callback path

ISSUE DESCRIPTION Linux has a failsafe callback, invoked by Xen under certain conditions. Normally in this failsafe callback, errorentry is paired with errorexit; and errorentry uses %ebx to communicate to errorexit whether to use the user or kernel return path. Unfortunately, on 64-bit PV Xen on...

Olli Parviainen SoundTouch Denial of Service Vulnerability (CNVD-2018-20560)

Olli Parviainen SoundTouch is an open source audio processing library that is used to configure the speed, pitch, and playback rate of an audio stream or audio file, among other things. A security flaw exists in the 'FIRFilter::evaluateFilterMulti' function of the RateTransposer.cpp file of the...

Olli Parviainen SoundTouch Denial of Service Vulnerability

Olli Parviainen SoundTouch is an open source audio processing library that is used to configure the speed, pitch, and playback rate of an audio stream or audio file, among other things. The 'RateTransposer::setChannels' function in the RateTransposer.cpp file of the libSoundTouch.a static link...

CVE-2018-14045

The FIRFilter::evaluateFilterMulti function in FIRFilter.cpp in libSoundTouch.a in Olli Parviainen SoundTouch 2.0 allows remote attackers to cause a denial of service assertion failure and application exit, as demonstrated by SoundStretch...

CVE-2018-14044

The RateTransposer::setChannels function in RateTransposer.cpp in libSoundTouch.a in Olli Parviainen SoundTouch 2.0 allows remote attackers to cause a denial of service assertion failure and application exit, as demonstrated by SoundStretch...

Design/Logic Flaw

The FIRFilter::evaluateFilterMulti function in FIRFilter.cpp in libSoundTouch.a in Olli Parviainen SoundTouch 2.0 allows remote attackers to cause a denial of service assertion failure and application exit, as demonstrated by SoundStretch...

Design/Logic Flaw

The RateTransposer::setChannels function in RateTransposer.cpp in libSoundTouch.a in Olli Parviainen SoundTouch 2.0 allows remote attackers to cause a denial of service assertion failure and application exit, as demonstrated by SoundStretch...

DEBIAN-CVE-2018-14045

The FIRFilter::evaluateFilterMulti function in FIRFilter.cpp in libSoundTouch.a in Olli Parviainen SoundTouch 2.0 allows remote attackers to cause a denial of service assertion failure and application exit, as demonstrated by SoundStretch...

CVE-2018-14044

The RateTransposer::setChannels function in RateTransposer.cpp in libSoundTouch.a in Olli Parviainen SoundTouch 2.0 allows remote attackers to cause a denial of service assertion failure and application exit, as demonstrated by SoundStretch...

CVE-2018-14045

CVE-2018-14045 affects SoundTouch 2.0 (FIRFilter::evaluateFilterMulti in FIRFilter.cpp) and is associated with denial of service via remote exploitation demonstrated by SoundStretch. Related issues in the SoundTouch 2.0 stack include RateTransposer::setChannels (CVE-2018-14044), BPMDetect (CVE-20...

CVE-2018-14044

The RateTransposer::setChannels function in RateTransposer.cpp in libSoundTouch.a in Olli Parviainen SoundTouch 2.0 allows remote attackers to cause a denial of service assertion failure and application exit, as demonstrated by SoundStretch...

CVE-2018-14045

The FIRFilter::evaluateFilterMulti function in FIRFilter.cpp in libSoundTouch.a in Olli Parviainen SoundTouch 2.0 allows remote attackers to cause a denial of service assertion failure and application exit, as demonstrated by SoundStretch...

OpenSSH < 6.6 SFTP - Command Execution Exploit

Exploit for linux platform in category remote exploits OpenSSH 8 else 32 print "+ bit libc mapped @ -, path: ".formatBITS, addr0, addr1, path libcbase = intaddr0, 16 libcpath = path if "stack" in line: addr = addr.split"-" saddrstart = intaddr0, 16 saddrend = intaddr1, 16...

UBUNTU-CVE-2018-12904

In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL...

KVM (Nested Virtualization) - L1 Guest Privilege Escalation

KVM Nested Virtualization - L1 Guest Privilege Escalation When KVM on Intel virtualizes another hypervisor as L1 VM it does not verify that VMX instructions from the L1 VM which trigger a VM exit and are emulated by L0 KVM are coming from ring 0. For code running on bare metal or VMX root mode th...

KVM (Nested Virtualization) - L1 Guest Privilege Escalation Vulnerability

Exploit for linux platform in category dos / poc When KVM on Intel virtualizes another hypervisor as L1 VM it does not verify that VMX instructions from the L1 VM which trigger a VM exit and are emulated by L0 KVM are coming from ring 0. For code running on bare metal or VMX root mode this is...

KVM (Nested Virtualization) - L1 Guest Privilege Escalation

When KVM on Intel virtualizes another hypervisor as L1 VM it does not verify that VMX instructions from the L1 VM which trigger a VM exit and are emulated by L0 KVM are coming from ring 0. For code running on bare metal or VMX root mode this is enforced by hardware. However, for code running in L...