CVE-2019-17021

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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

https://www.mozilla.org/security/advisories/mfsa2020-01/

https://bugzilla.mozilla.org/show_bug.cgi?id=1599008

https://www.mozilla.org/security/advisories/mfsa2020-02/

https://seclists.org/bugtraq/2020/Jan/18

http://packetstormsecurity.com/files/155912/Slackware-Security-Advisory-mozilla-thunderbird-Updates.html

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

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00043.html

Details

Source: MITRE

Published: 2020-01-08

Updated: 2021-07-21

Type: CWE-200

Risk Information

CVSS v2

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

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

Tenable Plugins

View all (9 total)

IDNameProductFamilySeverity
150661SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2020:14268-1)NessusSuSE Local Security Checks
high
133199openSUSE Security Update : MozillaThunderbird (openSUSE-2020-94)NessusSuSE Local Security Checks
high
132949openSUSE Security Update : MozillaFirefox (openSUSE-2020-60)NessusSuSE Local Security Checks
high
132921SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:0078-1)NessusSuSE Local Security Checks
high
132852SUSE SLED12 / SLES12 Security Update : MozillaFirefox (SUSE-SU-2020:0068-1)NessusSuSE Local Security Checks
high
132847Slackware 14.2 / current : mozilla-thunderbird (SSA:2020-010-01)NessusSlackware Local Security Checks
high
132774Mozilla Thunderbird < 68.4.1NessusWindows
high
132711Mozilla Firefox ESR < 68.4 Multiple VulnerabilitiesNessusWindows
high
132709Mozilla Firefox < 72.0 Multiple VulnerabilitiesNessusWindows
high