47 matches found
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...
