CVE-2019-17021

LOW

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.

References

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00029.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/

Details

Source: MITRE

Published: 2020-01-08

Updated: 2020-01-13

Type: CWE-200

Risk Information

CVSS v2.0

Base Score: 2.6

Vector: AV:N/AC:H/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 4.9

Severity: LOW

CVSS v3.0

Base Score: 5.3

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

Impact Score: 3.6

Exploitability Score: 1.6

Severity: MEDIUM