CVE-2019-9811 Information

Description

As part of a winning Pwn2Own entry a researcher demonstrated a sandbox escape by installing a malicious language pack and then opening a browser feature that used the compromised translation. This vulnerability affects Firefox ESR 60.8 Firefox 68 and Thunderbird 60.8.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html https://bugzilla.mozilla.org/show_bug.cgi?id=1538007 https://bugzilla.mozilla.org/show_bug.cgi?id=1539598 https://bugzilla.mozilla.org/show_bug.cgi?id=1563327 https://lists.debian.org/debian-lts-announce/2019/08/msg00001.html https://lists.debian.org/debian-lts-announce/2019/08/msg00002.html https://security.gentoo.org/glsa/201908-12 https://security.gentoo.org/glsa/201908-20 https://www.mozilla.org/security/advisories/mfsa2019-21/ https://www.mozilla.org/security/advisories/mfsa2019-22/ https://www.mozilla.org/security/advisories/mfsa2019-23/

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.3