#mac

A now-patched security flaw in the vm2 JavaScript sandbox module could be abused by a remote adversary to break out of security barriers and perform arbitrary operations on the underlying machine. "A threat actor can bypass the sandbox protections to gain remote code execution rights on the host running the sandbox," GitHub said in an advisory published on September 28, 2022. The

Mitigation refers to a setting, common configuration, or general best-practice, existing in a default state, that could reduce the severity of exploitation of a vulnerability. The following mitigating factors might be helpful in your situation: * Systems are not affected if IPv6 is disabled on the target machine.

**What type of information could be disclosed by this vulnerability?** An attacker who successfully exploits this vulnerability would be able to remotely read registry keys under HKLM\\SYSTEM\\CurrentControlSet\\Control\\SecurePipeServers\\Winreg\\AllowedExactPaths\\Machine not normally accessible to a normal user.

**How could an attacker exploit this vulnerability?** An attacker could exploit the vulnerability by tricking an authenticated user into opening a malicious MDB file in Access via ODBC, which could result in the attacker being able to execute arbitrary code on the victim's machine with the permission level at which Access is running.

**In what scenarios can the security feature be bypassed?** On machines with slow or older USB controller hardware, the Group policy might have (silently) failed to apply. On such machines, the attacker can trivially exploit this enforcement failure by attaching a USB storage device to the affected machine.

The aeson library is not safe to use to consume untrusted JSON input. A remote user could abuse this flaw to produce a hash collision in the underlying unordered-containers library by sending specially crafted JSON data, resulting in a denial of service.

Azure RTOS USBx is a USB host, device, and on-the-go (OTG) embedded stack, fully integrated with Azure RTOS ThreadX and available for all Azure RTOS ThreadX–supported processors. Azure RTOS USBX implementation of host support for USB CDC ECM includes an integer underflow and a buffer overflow in the `_ux_host_class_cdc_ecm_mac_address_get` function which may be potentially exploited to achieve remote code execution or denial of service. Setting mac address string descriptor length to a `0` or `1` allows an attacker to introduce an integer underflow followed (string_length) by a buffer overflow of the `cdc_ecm -> ux_host_class_cdc_ecm_node_id` array. This may allow one to redirect the code execution flow or introduce a denial of service. The fix has been included in USBX release [6.1.12](https://github.com/azure-rtos/usbx/releases/tag/v6.1.12_rel). Improved mac address string descriptor length validation to check for unexpectedly small values may be used as a workaround.

An analysis of the malware and its infection strategies finds nearly 21,000 minor and 139 major variations on the malware — complexity that helps it dodge analysis.

This is a write up demonstrating how to get root on macOS 12.3.1 using CoreTrust and DriverKit bugs. Included is the spawn_root proof of concept.

Categories: Podcast This week on Lock and Code, we speak with a Bay Area teen about the difficulties of growing up with the Internet, and with 1Password co-founder Sara Teare about how to raise kids online today. (Read more...) The post Teen talk: What it's like to grow up online, and the role of parents: Lock and Code S03E21 appeared first on Malwarebytes Labs.