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hackeroneHhj4ckH1:119653
HistoryMar 01, 2016 - 8:01 a.m.

Internet Bug Bounty: Adobe Flash Player ASnative(900,1).call(MovieClip) Use-After-Free Vulnerability

2016-03-0108:01:33
hhj4ck
hackerone.com
21

0.019 Low

EPSS

Percentile

88.4%

I. Summary
Adobe Flash Player is prone to a vulnerability which leads to Use-After-Free.

II. Description
If the ASnative(900,1) is invoked with MovieClip instance and getter properties associated with swfRoot where the getter method includes a call to removeMovieClip(), the MovieClip instance is used after it is freed.

Latest version of Adobe Flash Player 20.0.0.267 has been tested under Windows 7.

III. Impact
Use-After-Free

IV. Credit
Wen Guanxing from Venustech ADLAB is credited for this vulnerability.

It has been assigned by Adobe as CVE-2016-0982
https://helpx.adobe.com/security/products/flash-player/apsb16-04.html