CVE-2019-11723

high
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

A vulnerability exists during the installation of add-ons where the initial fetch ignored the origin attributes of the browsing context. This could leak cookies in private browsing mode or across different "containers" for people who use the Firefox Multi-Account Containers Web Extension. This vulnerability affects Firefox < 68.

References

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.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=1528335

https://security.gentoo.org/glsa/201908-12

https://www.mozilla.org/security/advisories/mfsa2019-21/

Details

Source: MITRE

Published: 2019-07-23

Updated: 2020-08-24

Type: CWE-346

Risk Information

CVSS v2

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Tenable Plugins

View all (14 total)

IDNameProductFamilySeverity
129772SUSE SLED12 / SLES12 Security Update : MozillaFirefox (SUSE-SU-2019:2620-1)NessusSuSE Local Security Checks
high
129665openSUSE Security Update : MozillaFirefox (openSUSE-2019-2260)NessusSuSE Local Security Checks
high
129664openSUSE Security Update : MozillaFirefox (openSUSE-2019-2251)NessusSuSE Local Security Checks
high
129663openSUSE Security Update : MozillaThunderbird (openSUSE-2019-2249)NessusSuSE Local Security Checks
high
129662openSUSE Security Update : MozillaThunderbird (openSUSE-2019-2248)NessusSuSE Local Security Checks
high
129583SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2019:2545-1)NessusSuSE Local Security Checks
high
128970Mozilla Thunderbird < 68.0NessusWindows
high
128969Mozilla Thunderbird < 68.0NessusMacOS X Local Security Checks
high
127961GLSA-201908-12 : Mozilla Firefox: Multiple vulnerabilitiesNessusGentoo Local Security Checks
critical
127093Ubuntu 16.04 LTS / 18.04 LTS / 19.04 : Firefox regressions (USN-4054-2)NessusUbuntu Local Security Checks
high
126698Ubuntu 16.04 LTS / 18.04 LTS / 18.10 / 19.04 : Firefox vulnerabilities (USN-4054-1)NessusUbuntu Local Security Checks
high
126622Mozilla Firefox < 68.0NessusWindows
high
126621Mozilla Firefox < 68.0NessusMacOS X Local Security Checks
high
126592FreeBSD : mozilla -- multiple vulnerabilities (0592f49f-b3b8-4260-b648-d1718762656c)NessusFreeBSD Local Security Checks
high