CVE-2017-5428 Information

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. This vulnerability affects Firefox ESR 52.0.1 and Firefox 52.0.1.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://rhn.redhat.com/errata/RHSA-2017-0558.html http://www.securityfocus.com/bid/96959 http://www.securitytracker.com/id/1038060 https://bugzilla.mozilla.org/show_bug.cgi?id=1348168 https://www.mozilla.org/security/advisories/mfsa2017-08/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8