Researchers Defeat AMD's SEV Virtual Machine Encryption

German security researchers claim to have found a new practical attack against virtual machines VMs protected using AMD's Secure Encrypted Virtualization SEV technology that could allow attackers to recover plaintext memory data from guest VMs. AMD's Secure Encrypted Virtualization SEV technology...

KVA Shadow: Mitigating Meltdown on Windows

On January 3rd, 2018, Microsoft released an advisory and security updates that relate to a new class of discovered hardware vulnerabilities, termed speculative execution side channels, that affect the design methodology and implementation decisions behind many modern microprocessors. This post...

Xen - Pagetable De-typing Unbounded Recursion

Xen - Pagetable De-typing Unbounded Recursion Xen allows pagetables of the same level to map each other as readonly in PV domains. This is useful if a guest wants to use the self-referential pagetable trick for easy access to pagetables by mapped virtual address. When cleaning up a pagetable afte...

CVE-2017-8263

CVE-2017-8263 affects Qualcomm components in Android CAF builds that use the Linux kernel. The issue is a kernel fault triggered by certain operations on a read-only user-space virtual address, with a high impact (local, high confidentiality/integrity/availability implications). Exploitation deta...

CAVE MINER - Search for Code Cave in All Binaries (ELF, PE and Mach-o) and Inject Payload

This tools search for code cave in binaries Elf, Mach-o, Pe, and inject code in them. Features Find code caves in ELF, PE and Mach-o Use custom bytes for the search ex: 0xCC can be used as nullbytes on PE See virtual address of the code cave. See the permissions of the code caves. Search custom...

ASUS Memory Mapping Driver (ASMMAP/ASMMAP64) - Physical Memory Read/Write

/ Source: http://rol.im/asux/ ASUS Memory Mapping Driver ASMMAP/ASMMAP64: Physical Memory Read/Write PoC by slipstream/RoL - https://twitter.com/TheWack0lian - http://rol.im/chat/ The ASUS "Generic Function Service" includes a couple of drivers, ASMMAP.sys / ASMMAP64.sys, the version resources...

FreeBSD : xen-tools -- libxl leak of pv kernel and initrd on error (5d1d4473-b40d-11e5-9728-002590263bf5)

The Xen Project reports : When constructing a guest which is configured to use a PV bootloader which runs as a userspace process in the toolstack domain e.g. pygrub libxl creates a mapping of the files to be used as kernel and initial ramdisk when building the guest domain. However if building th...

Microsoft Office 2007 - mso.dll Arbitrary Free (MS15-081)

Microsoft Office 2007 - mso.dll Arbitrary Free MS15-081 Source: https://code.google.com/p/google-security-research/issues/detail?id=417&can=1 The following crash was observed in Microsoft Office 2007 with Microsoft Office File Validation Add-In disabled and Application Verifier enabled for testin...

NetBSD <= 1.4,OpenBSD <= 2.5,Solaris <= 7.0 profil(2) Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/570/info Some BSD's use a profil2 system call that dates back to version 6 unix. This system call arranges for the kernel to sample the PC and increment an element of an array on every profile clock tick. The security iss...

Horde Groupware Web Mail Edition 5.1.2 - Cross-Site Request Forgery (2)

Horde Groupware Web Mail Edition 5.1.2 - Cross-Site Request Forgery 2 Exploit Title : CSRF Horde Groupware Web mail Edition Author:Marcela Benetrix Date: 10/28/13 version: 5.1.2 software link:http://www.horde.org/apps/webmail GroupWare Web mail Edition Horde Groupware Webmail Edition is a free,...

Horde Groupware Web Mail Edition 5.1.2 - Cross-Site Request Forgery (2)

Exploit Title : CSRF Horde Groupware Web mail Edition Author:Marcela Benetrix Date: 10/28/13 version: 5.1.2 software link:http://www.horde.org/apps/webmail GroupWare Web mail Edition Horde Groupware Webmail Edition is a free, enterprise ready, browser based communication suite. Users can read, se...

Horde 5.1.2 Cross Site Request Forgery / Cross Site Scripting

Exploit Title : CSRF Horde Groupware Web mail Edition Author:Marcela Benetrix Date: 10/28/13 version: 5.1.2 software link:http://www.horde.org/apps/webmail GroupWare Web mail Edition Horde Groupware Webmail Edition is a free, enterprise ready, browser based communication suite. Users can read, se...

CVE-2011-2901

Off-by-one error in the addrok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service host crash via unspecified hypercalls that ignore virtual-address bits...

Linux/x86 - Egghunter (0x5090) Shellcode (38 bytes)

Linux/x86 - Egghunter 0x5090 Shellcode 38 bytes. Shellcode exploit for Linuxx86 platform / Title : egghunter shellcode : hunter 30 bytes, marker 8 bytes, shellcode 28 bytes Date : 28 May 2013 Author : Russell Willis Testd on: Linux/x86 SMP Debian 3.2.41-2 i686 Comments: Using sigaction system cal...

kernel: xen: off-by-one shift in x86_64 __addr_ok()

Off-by-one error in the addrok macro in Xen 3.3 and earlier allows local 64 bit PV guest administrators to cause a denial of service host crash via unspecified hypercalls that ignore virtual-address bits...

Integer overflow

Integer overflow in Memory Manager in Microsoft Windows XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows local users to gain privileges via a crafted application that triggers an erroneous decrement of a variable, related to validation of parameters for Virtual...

Microsoft Windows Virtual Address Descriptor manipulation privilege escalation

Integer overflow leads to memory corruption...

CVE-2008-4036: Integer Overflow or Wraparound

Integer overflow in Memory Manager in Microsoft Windows XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows local users to gain privileges via a crafted application that triggers an erroneous decrement of a variable, related to validation of parameters for Virtual...

PT-2008-5349 · Microsoft · Windows Xp +4

Name of the Vulnerable Software and Affected Versions: Microsoft Windows XP versions SP2 through SP3 Microsoft Windows Server 2003 versions SP1 through SP2 Microsoft Windows Vista versions Gold through SP1 Microsoft Windows Server 2008 affected versions not specified Description: The issue is...

CVE-2008-4510: Undefined Security Weakness

Microsoft Windows Vista Home and Ultimate Edition SP1 and earlier allows local users to cause a denial of service page fault and system crash via multiple attempts to access a virtual address in a PAGENOACCESS memory page...