Arch Linux Security Advisory ASA-201703-15
=========================================
Severity: High
Date    : 2017-03-18
CVE-ID  : CVE-2017-5428
Package : firefox
Type    : arbitrary code execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-219

Summary
======
The package firefox before version 52.0.1-1 is vulnerable to arbitrary
code execution.

Resolution
=========
Upgrade to 52.0.1-1.

# pacman -Syu "firefox>=52.0.1-1"

The problem has been fixed upstream in version 52.0.1.

Workaround
=========
None.

Description
==========
An integer overflow in createImageBitmap() was reported through the
Pwn2Own contest. The fix for this vulnerability disables the
experimental extensions to the createImageBitmap API. This function
runs in the content sandbox, requiring a second vulnerability to
compromise a user's computer.

Impact
=====
A remote attacker might be able to execute arbitrary code on the
affected host.

References
=========
https://www.mozilla.org/en-US/security/advisories/mfsa2017-08/#CVE-2017-5428
https://bugzilla.mozilla.org/show_bug.cgi?id=1348168
https://security.archlinux.org/CVE-2017-5428

ArchLinux: 201703-15: firefox: arbitrary code execution

March 20, 2017

Summary

An integer overflow in createImageBitmap() was reported through the Pwn2Own contest. The fix for this vulnerability disables the experimental extensions to the createImageBitmap API. This function runs in the content sandbox, requiring a second vulnerability to compromise a user's computer.

Resolution

Upgrade to 52.0.1-1. # pacman -Syu "firefox>=52.0.1-1"
The problem has been fixed upstream in version 52.0.1.

References

https://www.mozilla.org/en-US/security/advisories/mfsa2017-08/#CVE-2017-5428 https://bugzilla.mozilla.org/show_bug.cgi?id=1348168 https://security.archlinux.org/CVE-2017-5428

Severity
Package : firefox
Type : arbitrary code execution
Remote : Yes
Link : https://security.archlinux.org/AVG-219

Workaround

None.

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