CVE-2024-38358 Symlink bypasses filesystem sandbox in wasmer

Wasmer is a web assembly wasm Runtime supporting WASIX, WASI and Emscripten. If the preopened directory has a symlink pointing outside, WASI programs can traverse the symlink and access host filesystem if the caller sets both oflags::creat and rights::fdwrite. Programs can also crash the runtime ...

This Week in Spring - June 4th, 2024

Hi, Spring fans, from London! I'm in this fabulous country doing my level-headed best to refrain from dooing Mr. Bean bits, because, honestly, if I - an avid and prolific fan of Spring and its many beans - can't be "Mr. Bean," then I'm glad Rowan Atkinson is! I'm here for a SpringOne Tour event,...

UBUNTU-CVE-2024-30161

In Qt 6.5.4, 6.5.5, and 6.6.2, QNetworkReply header data might be accessed via a dangling pointer in Qt for WebAssembly wasm. Earlier and later versions are unaffected...

Oracle Linux 8 : nodejs:20 (ELSA-2023-7205)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-7205 advisory. - Fixes CVE-2023-44487 nghttp Tenable has extracted the preceding description block directly from the Oracle Linux security advisory. Note that Nessus...

Skyhook - A Round-Trip Obfuscated HTTP File Transfer Setup Built To Bypass IDS Detections

Skyhook is a REST-driven utility used to smuggle files into and out of networks defended by IDS implementations. It comes with a pre-packaged web client that uses a blend of React, vanilla JS, and web assembly to manage file transfers. Key Links Download here See the user documentation to get...

UBUNTU-CVE-2023-4046

In some circumstances, a stale value could have been used for a global variable in WASM JIT analysis. This resulted in incorrect compilation and a potentially exploitable crash in the content process. This vulnerability affects Firefox 116, Firefox ESR 102.14, and Firefox ESR 115.1...

Mozilla: Content process crash due to invalid wasm code

The Mozilla Foundation Security Advisory describes this flaw as: A type checking bug would have led to invalid code being compiled...

Mozilla: Content process crash due to invalid wasm code

The Mozilla Foundation Security Advisory describes this flaw as: A type checking bug would have led to invalid code being compiled...

A Bootiful Podcast: Sebastien Deleuze and James Ward on a Bootiful Podcast

Hi, Spring fans! In this installment, recorded live from Kotlin Conf 2023 in Amsterdam, I talk to Kotlin luminaries Sébastien Deleuze and James Ward about Kotlin's future, web assembly, and more...

CVE-2022-39394

CVE-2022-39394 affects Wasmtime prior to 2.0.2: a mismatch in the wasmtime_trap_code C API implementation can cause a 4-byte write into a 1-byte caller buffer, writing three zero bytes beyond the provided location. The issue is fixed in Wasmtime 2.0.2. Workaround: cast a 4-byte buffer to a 1-byte...

Mozilla: Register allocation problem in WASM on arm64

The Mozilla Foundation Security Advisory describes this flaw as: On arm64, WASM code could have resulted in incorrect assembly generation leading to a register allocation problem, and a potentially exploitable crash...

Authorization

wasmCloud Host Runtime is a server process that securely hosts and provides dispatch for web assembly WASM actors and capability providers. In versions prior to 0.52.2 actors can bypass capability authorization. Actors are normally required to declare their capabilities for inbound invocations, b...

CVE-2022-21707

CVE-2022-21707 affects wasmCloud Host Runtime. In versions prior to 0.52.2, actor capability claims are not verified on inbound invocations, allowing unauthorized invocations from linked capability providers and weakening the actor security model. The issue is fixed in 0.52.2 and later; there is ...

Mozilla: GC rooting failure when calling wasm instance methods

The Mozilla Foundation Security Advisory describes this flaw as: Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitab...

OESA-2021-1402 golang security update

The go programming language Security Fixes: Go before 1.15.13 and 1.16.x before 1.16.5 has functions for DNS lookups that do not validate replies from DNS servers, and thus a return value may contain an unsafe injection e.g., XSS that does not conform to the RFC1035 format.CVE-2021-33195 In...

CVE-2021-39218

Technical details about CVE-2021-39218 (affected Wasmtime versions 0.26.0–0.30.0, root cause, exploit paths, and fixes) are not provided in the supplied documents. Monitor for official disclosures and patches.

Cranelift安全漏洞

Cranelift is an open source low-level relocatable code generator. It converts code from an intermediate representation to executable machine code. A security vulnerability exists in version 0.73 of Cranelift x64, which stems from the fact that it can create a scenario that could lead to a potenti...

RHEL 7 : firefox (RHSA-2021:1363)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:1363 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox...

Exploit for Improper Input Validation in Google Chrome

This is a PoC exploit for CVE-2020-16040, a vulnerability in the WebAssembly WASM module loader. The exploit targets the WASM module loader's ability to load and execute WASM code, which can lead to arbitrary code execution. The exploit is implemented in JavaScript and uses the WebAssembly API to...

UBUNTU-CVE-2020-16015

Insufficient data validation in WASM in Google Chrome prior to 87.0.4280.66 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page...