CVE-2019-11932 Information

Description

A double free vulnerability in the DDGifSlurp function in decoding.c in the android-gif-drawable library before version 1.2.18 as used in WhatsApp for Android before version 2.19.244 and many other Android applications allows remote attackers to execute arbitrary code or cause a denial of service when the library is used to parse a specially crafted GIF image.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://packetstormsecurity.com/files/154867/Whatsapp-2.19.216-Remote-Code-Execution.html http://packetstormsecurity.com/files/158306/WhatsApp-android-gif-drawable-Double-Free.html http://seclists.org/fulldisclosure/2019/Nov/27 https://awakened1712.github.io/hacking/hacking-whatsapp-gif-rce/ https://gist.github.com/wdormann/874198c1bd29c7dd2157d9fc1d858263 https://github.com/koral–/android-gif-drawable/commit/cc5b4f8e43463995a84efd594f89a21f906c2d20 https://github.com/koral–/android-gif-drawable/pull/673 https://github.com/koral–/android-gif-drawable/pull/673/commits/4944c92761e0a14f04868cbcf4f4e86fd4b7a4a9 https://www.facebook.com/security/advisories/cve-2019-11932

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8