CVE-2015-8434 Detail

CVE-2015-8434

EPSS

69.02%V3

Vector

Network

Published

2015-12-10
01h00 +00:00

Modified

2017-09-09
07h57 +00:00

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CVE Descriptions

Use-after-free vulnerability in Adobe Flash Player before 18.0.0.268 and 19.x and 20.x before 20.0.0.228 on Windows and OS X and before 11.2.202.554 on Linux, Adobe AIR before 20.0.0.204, Adobe AIR SDK before 20.0.0.204, and Adobe AIR SDK & Compiler before 20.0.0.204 allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2015-8048, CVE-2015-8049, CVE-2015-8050, CVE-2015-8055, CVE-2015-8056, CVE-2015-8057, CVE-2015-8058, CVE-2015-8059, CVE-2015-8061, CVE-2015-8062, CVE-2015-8063, CVE-2015-8064, CVE-2015-8065, CVE-2015-8066, CVE-2015-8067, CVE-2015-8068, CVE-2015-8069, CVE-2015-8070, CVE-2015-8071, CVE-2015-8401, CVE-2015-8402, CVE-2015-8403, CVE-2015-8404, CVE-2015-8405, CVE-2015-8406, CVE-2015-8410, CVE-2015-8411, CVE-2015-8412, CVE-2015-8413, CVE-2015-8414, CVE-2015-8420, CVE-2015-8421, CVE-2015-8422, CVE-2015-8423, CVE-2015-8424, CVE-2015-8425, CVE-2015-8426, CVE-2015-8427, CVE-2015-8428, CVE-2015-8429, CVE-2015-8430, CVE-2015-8431, CVE-2015-8432, CVE-2015-8433, CVE-2015-8435, CVE-2015-8436, CVE-2015-8437, CVE-2015-8441, CVE-2015-8442, CVE-2015-8447, CVE-2015-8448, CVE-2015-8449, CVE-2015-8450, CVE-2015-8452, and CVE-2015-8454.

CVE Informations

Metrics

Metrics	Score	Severity	CVSS Vector	Source
V2	10		AV:N/AC:L/Au:N/C:C/I:C/A:C	[email protected]

EPSS

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EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.

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Exploit information

Exploit Database EDB-ID : 39072

Publication date : 2015-12-20 23h00 +00:00
Author : Google Security Research
EDB Verified : Yes

Source: https://code.google.com/p/google-security-research/issues/detail?id=568 There is a use-after-free in Sound.setTransform. If a transform value is set to an object with valueOf defined, it can free the transform before the values are set. A minimal PoC is as follows: this.createEmptyMovieClip("my_mc", 1); var my_sound:Sound = new Sound("my_mc"); var o = {valueOf : func}; my_sound.attachSound("world"); my_sound.setTransform({ll : o, lr: 0x77777777, rr : 0x77777777, rl : 0x77777777}); my_sound.start(); function func(){ my_mc.removeMovieClip(); return 0x77777777; } A sample swf and fla are attached. Note that these PoCs will not cause a crash. Instead, they demonstrate the use-after-free by overwriting the matrix array of a ConvolutionFilter. The use-after-free changes the array from being all zeros to having values of float 0x77777777 at the end. The test fails if the second array is not all zero. The test passes if the second array is all zero. These PoCs only work on 64-bit systems. Proof of Concept: https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/39072.zip