VMCI integer-underflow vulnerability

VMware ESXi, Workstation, and Fusion contain an integer-underflow in VMCI (Virtual Machine Communication Interface) that leads to an out-of-bounds write. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host. On ESXi, the exploitation is contained within the VMX sandbox whereas, on Workstation and Fusion, this may lead to code execution on the machine where Workstation or Fusion is installed.

Out-of-bounds read vulnerability

VMware ESX, Workstation, and Fusion contain an out-of-bounds read vulnerability. A malicious actor with VM deployment privileges could trigger an out-of-bounds read, potentially leading to information disclosure or more likely a Denial-of-Service (DoS) condition of the host process. On Workstation and Fusion, the impact of this vulnerability is restricted to information disclosure.

hw: cpu: speculative execution bounds-check bypass

Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.

Unquoted Windows search path vulnerability in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build 55017, Player before 1.0.5 Build 56455 and Player 2 before 2.0.1 Build 55017, ACE before 1.0.3 Build 54075, and Server before 1.0.4 Build 56528 allows local users to gain privileges via unspecified vectors, possibly involving a malicious "program.exe" file in the C: folder.

vstor-ws60.sys in VMWare Workstation 6.0 allows local users to cause a denial of service (host operating system crash) and possibly gain privileges by sending a small file buffer size value to the FsSetVolumeInformation IOCTL handler with an FsSetFileInformation subcode.

Unspecified vulnerability in vstor2-ws60.sys in VMWare Workstation 6.0 allows local users to cause a denial of service (host operating system crash) via unspecified vectors, as demonstrated by the DC2 test suite, possibly a related issue to CVE-2007-4591. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Unspecified vulnerability in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build 55017, Player before 1.0.5 Build 56455 and Player 2 before 2.0.1 Build 55017, ACE before 1.0.3 Build 54075 and ACE 2 before 2.0.1 Build 55017, and Server before 1.0.4 Build 56528 allows authenticated users with administrative privileges on a guest operating system to corrupt memory and possibly execute arbitrary code on the host operating system via unspecified vectors.

VMware Workstation before 5.5.4, when running a 64-bit Windows guest on a 64-bit host, allows local users to "corrupt the virtual machine's register context" by debugging a local program and stepping into a "syscall instruction."

The PIIX4 power management subsystem in EMC VMware Workstation 5.5.3.34685 and VMware Server 1.0.1.29996 allows local users to write to arbitrary memory locations via a crafted poke to I/O port 0x1004, triggering a denial of service (virtual machine crash) or other unspecified impact, a related issue to CVE-2007-1337.

Absolute path traversal vulnerability in a certain ActiveX control in IntraProcessLogging.dll 5.5.3.42958 in EMC VMware allows remote attackers to create or overwrite arbitrary files via a full pathname in the argument to the SetLogFileName method.

Buffer overflow in an ActiveX control in VMWare 5.5.1 allows local users to execute arbitrary code via a long VmdbDb parameter to the Initialize function.

The DHCP server in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build 55017, Player before 1.0.5 Build 56455 and Player 2 before 2.0.1 Build 55017, ACE before 1.0.3 Build 54075 and ACE 2 before 2.0.1 Build 55017, and Server before 1.0.4 Build 56528 allows remote attackers to execute arbitrary code via a malformed packet that triggers "corrupt stack memory."

dhcpd possible DoS via large max-message-size option

Integer overflow in the ISC dhcpd 3.0.x before 3.0.7 and 3.1.x before 3.1.1; and the DHCP server in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build 55017, Player before 1.0.5 Build 56455 and Player 2 before 2.0.1 Build 55017, ACE before 1.0.3 Build 54075 and ACE 2 before 2.0.1 Build 55017, and Server before 1.0.4 Build 56528; allows remote attackers to cause a denial of service (daemon crash) or execute arbitrary code via a malformed DHCP packet with a large dhcp-max-message-size that triggers a stack-based buffer overflow, related to servers configured to send many DHCP options to clients.

security flaw

Integer underflow in the DHCP server in EMC VMware Workstation before 5.5.5 Build 56455 and 6.x before 6.0.1 Build 55017, Player before 1.0.5 Build 56455 and Player 2 before 2.0.1 Build 55017, ACE before 1.0.3 Build 54075 and ACE 2 before 2.0.1 Build 55017, and Server before 1.0.4 Build 56528 allows remote attackers to execute arbitrary code via a malformed DHCP packet that triggers a stack-based buffer overflow.

VMware Workstation 5.5.3 34685, when the "Enable copy and paste to and from this virtual machine" option is enabled, preserves clipboard data on the guest operating system after it was deleted on the host operating system, which might allow local users to read clipboard contents by moving the focus back to the host operating system.

VMware Workstation 5.5.3 34685 does not immediately change the availability of a shared clipboard when the "Enable copy and paste to and from this virtual machine" checkbox is changed, which allows local users to obtain sensitive information or conduct certain attacks that are facilitated by weaker isolation between the host and guest operating systems.

VMware Workstation 5.5.3 build 34685 does not provide per-user restrictions on certain privileged actions, which allows local users to perform restricted operations such as changing system time, accessing hardware components, and stopping the "VMware tools service" service. NOTE: exploitation is simplified via (1) weak file permissions (Users = Read & Execute) for %PROGRAMFILES%\VMware; and weak registry key permissions (access by Users) for (2) vmmouse, (3) vmscsi, (4) VMTools, (5) vmx_svga, and (6) vmxnet in HKLM\SYSTEM\CurrentControlSet\Services\; which allows local users to perform various privileged actions outside of the guest OS by executing certain files under %PROGRAMFILES%\VMware\VMware Tools, as demonstrated by (a) VMControlPanel.cpl and (b) vmwareservice.exe.

The memory management in VMware Workstation before 5.5.4 allows attackers to cause a denial of service (Windows virtual machine crash) by triggering certain general protection faults (GPF).

The virtual machine process (VMX) in VMware Workstation before 5.5.4 does not properly read state information when moving from the ACPI sleep state to the run state, which allows attackers to cause a denial of service (virtual machine reboot) via unknown vectors.

Directory traversal vulnerability in the Shared Folders feature for VMware Workstation before 5.5.4, when a folder is shared, allows users on the guest system to write to arbitrary files on the host system via the "Backdoor I/O Port" interface.