CVE-2017-7845 Information

Description

A buffer overflow occurs when drawing and validating elements using Direct 3D 9 with the ANGLE graphics library used for WebGL content. This is due to an incorrect value being passed within the library during checks and results in a potentially exploitable crash. Note: This attack only affects Windows operating systems. Other operating systems are unaffected. This vulnerability affects Thunderbird 52.5.2 Firefox ESR 52.5.2 and Firefox 57.0.2.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/102115 http://www.securitytracker.com/id/1040123 https://bugzilla.mozilla.org/show_bug.cgi?id=1402372 https://www.mozilla.org/security/advisories/mfsa2017-28/ https://www.mozilla.org/security/advisories/mfsa2017-29/ https://www.mozilla.org/security/advisories/mfsa2017-30/

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