full-disclosure - [FD] Android Dexdump Buffer Overflow Vulnerability

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Message-ID: <CANWcMaWLegnxbQiXzHkx2tg-OXD+cKg2TSdR0QzcapddcfHV0g@mail.gmail.com>
Date: Mon, 3 Sep 2018 17:46:40 +0300
From: Veysel hataş <vhatas@...il.com>
To: fulldisclosure@...lists.org
Subject: [FD] Android Dexdump Buffer Overflow Vulnerability

Title : Android Dexdump Buffer Overflow Vulnerability
Discoverer: Veysel HATAS (vhatas@...il.com)
Web page : wise.cs.hacettepe.edu.tr
Test: Nexus 4 Android 5.1.1
Status: Not Fixed
Severity : High

Discovered: 04 February 2018
Reported: 03 August 2018
Published: -

Description : dexdump contains a flaw that is triggered as user-supplied
input is not properly sanitized when handling a specially crafted dex file.
This bug is triggeredin “/system/lib/libz.so" native library. This may
allow a context-dependent attacker to corrupt memory and cause a denial of
service or potentially execute arbitrary code.

-- 
----
Veysel HATAŞ
Security Researcher

Blog: http://www.binarysniper.net
Twitter: https://twitter.com/muh4f1z
PGP key: http://www.binarysniper.net/p/veysels-ublic-pgp-key.html

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