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CVE-2017-7845

Published: 11 June 2018

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.

Notes

AuthorNote
chrisccoulson
Windows only

Priority

Medium

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
artful Not vulnerable

bionic Not vulnerable

trusty Does not exist
(trusty was not-affected)
upstream
Released (57.0.2)
xenial Not vulnerable

zesty Not vulnerable

firefox-esr
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

zesty Does not exist

thunderbird
Launchpad, Ubuntu, Debian
artful Not vulnerable

bionic Not vulnerable

trusty Does not exist
(trusty was not-affected)
upstream
Released (52.5.2)
xenial Not vulnerable

zesty Ignored
(end of life)

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H