CVE-2019-17021 Information

Description

During the initialization of a new content process a race condition occurs that can allow a content process to disclose heap addresses from the parent process. Note: this issue only occurs on Windows. Other operating systems are unaffected.. This vulnerability affects Firefox ESR 68.4 and Firefox 72.

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.html http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.html http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html https://bugzilla.mozilla.org/show_bug.cgi?id=1599008 https://seclists.org/bugtraq/2020/Jan/18 https://www.mozilla.org/security/advisories/mfsa2020-01/ https://www.mozilla.org/security/advisories/mfsa2020-02/

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.3