GHSA-7CG8-PQ9V-X98Q Sandbox Breakout in realms-shim

Versions of realms-shim prior to 1.2.1 are vulnerable to a Sandbox Breakout. The Realms evaluation function has an option to apply Babel-like transformations to the source code before it reaches the evaluator. One portion of this transform pipeline exposed a primal-Realm object to the rewriting...

Sandbox Breakout in realms-shim

Versions of realms-shim prior to 1.2.1 are vulnerable to a Sandbox Breakout. The Realms evaluation function has an option to apply Babel-like transformations to the source code before it reaches the evaluator. One portion of this transform pipeline exposed a primal-Realm object to the rewriting...

PT-2019-20020

Name of the Vulnerable Software and Affected Versions realms-shim versions prior to 1.2.1 Description The issue concerns a Sandbox Breakout in the Realms evaluation function, which has an option to apply transformations to the source code before evaluation. A part of this transformation pipeline...

Sandbox Breakout

realms-shim is vulnerable to sandbox breakout. The Realms evaluation function has an option to apply Babel-like transformations to the source code before it reaches the evaluator. An attacker is able to provide a malicious rewriter function that uses the confined code used within the evaluator...

Sandbox Breakout

Overview Versions of realms-shim prior to 1.2.1 are vulnerable to a Sandbox Breakout. The Realms evaluation function has an option to apply Babel-like transformations to the source code before it reaches the evaluator. One portion of this transform pipeline exposed a primal-Realm object to the...

Sandbox Breakout in realms-shim

Versions of realms-shim prior to 1.2.0 are vulnerable to a Sandbox Breakout. Reflect.construct can be used on the sandboxed Function constructor to reach the prototypes of the primal Realm, which may allow an attacker to escape the sandbox and execute arbitrary code. Recommendation Upgrade to...

GHSA-6JG8-7333-554W Sandbox Breakout in realms-shim

Versions of realms-shim prior to 1.2.0 are vulnerable to a Sandbox Breakout. Reflect.construct can be used on the sandboxed Function constructor to reach the prototypes of the primal Realm, which may allow an attacker to escape the sandbox and execute arbitrary code. Recommendation Upgrade to...

PT-2019-20013

Name of the Vulnerable Software and Affected Versions realms-shim versions prior to 1.2.0 Description The issue allows an attacker to potentially escape the sandbox and execute arbitrary code by utilizing Reflect.construct on the sandboxed Function constructor to reach the prototypes of the prima...

Sandbox Breakout

Overview Versions of realms-shim prior to 1.2.0 are vulnerable to a Sandbox Breakout. Reflect.construct can be used on the sandboxed Function constructor to reach the prototypes of the primal Realm, which may allow an attacker to escape the sandbox and execute arbitrary code. Recommendation Upgra...

Sandbox Breakout

Overview Versions of realms-shim prior to 1.2.0 are vulnerable to a Sandbox Breakout. The package's confined evaluator depended upon correct behavior of the spread operator a = ...b, ...c, which could be modified by the confined code. This may allow an attacker to escape the sandbox and run...

Sandbox Breakout

Overview Versions of realms-shim prior to 1.2.0 are vulnerable to a Sandbox Breakout. The package has an uncaught exception that may allow an attacker to break out of the sandbox by catching the exception and using the caught Exception object. Recommendation Upgrade to version 1.2.0 or later...

Sandbox Breakout

Overview Versions of realms-shim prior to 1.2.0 are vulnerable to a Sandbox Breakout. The package's core evaluator, which must switch between "unsafe mode" and "safe mode" for each call, could be left in "unsafe mode" if an attacker is able to force a RangeError in a specific timeframe. This woul...

@agrc/helpers (>=1.0.0, <=1.0.1), @dojo/interop (>=4.0.0-alpha.1, <=7.0.0) +3 more potentially affected by CVE-2010-2273 via dojo (1.13.0)

dojo NPM version 1.13.0 is affected by a known vulnerability. The following packages have a transitive dependency on dojo and may be impacted: - @agrc/helpers =1.0.0, =4.0.0-alpha.1, =0.1.10, =0.1.12 - dijit 1.13.0 - dojox 1.13.0 Source cves: CVE-2010-2273 Source advisory: OSV:GHSA-536Q-8GXX-M782...

realms-shim

Realms Shim : OBSOLETE, INSECURE, NOT RECOMMENDED FOR USE !...

November 27, 2018—KB4467681 (OS Build 16299.820)

None None...

CVE-2016-10692

haxeshim haxe shim to deal with coexisting versions. haxeshim downloads resources over HTTP, which leaves it vulnerable to MITM attacks. It may be possible to cause remote code execution RCE by swapping out the requested resources with an attacker controlled copy if the attacker is on the network...

PT-2018-18442

Name of the Vulnerable Software and Affected Versions: Windows Host Compute Service Shim hcsshim library affected versions not specified Description: A remote code execution issue exists due to the failure of the Windows Host Compute Service Shim hcsshim library to properly validate input while...

To SDB, Or Not To SDB: FIN7 Leveraging Shim Databases for Persistence

In 2017, Mandiant responded to multiple incidents we attribute to FIN7, a financially motivated threat group associated with malicious operations dating back to 2015. Throughout the various environments, FIN7 leveraged the CARBANAK backdoor, which this group has used in previous operations. A...

To SDB, Or Not To SDB: FIN7 Leveraging Shim Databases for Persistence

In 2017, Mandiant responded to multiple incidents we attribute to FIN7, a financially motivated threat group associated with malicious operations dating back to 2015. Throughout the various environments, FIN7 leveraged the CARBANAK backdoor, which this group has used in previous operations. A...

Writing a libemu/Unicorn Compatability Layer

In this post we are going to take a quick look at what it takes to write a libemu compatibility layer for the Unicorn engine. In the course of this work, we will also import the libemu Win32 environment to run under Unicorn. For a bit of background, libemu is a lightweight x86 emulator written in...