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Vulnerability IntelligenceCVE-2020-12389

CVE-2020-12389

CRITICAL10.0

The Firefox content processes did not sufficiently lockdown access control which could result in a sandbox escape

Published May 26, 2020

Modified 1 years ago

Fix available

Details

The Firefox content processes did not sufficiently lockdown access control which could result in a sandbox escape. Note: this issue only affects Firefox on Windows operating systems.. This vulnerability affects Firefox ESR < 68.8 and Firefox < 76.

Affected Packages

Firefox

Ubuntu 14.04 LTSUbuntu 16.04 LTSUbuntu 18.04 LTSUbuntu 20.04 LTSUbuntu 22.04 LTS

Fixed in:

76

Mozilla Firefox

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

76

Mozilla Firefox ESR

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

68.8

Firefox ESR

macOS 14macOS 15macOS 26

Fixed in:

68.8

References

WEB

https://bugzilla.mozilla.org/show_bug.cgi?id=1554110

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2020-12389

WEB

https://www.mozilla.org/security/advisories/mfsa2020-16/

WEB

https://www.mozilla.org/security/advisories/mfsa2020-17/

CVSS Analysis

CVSS v3.1

10.0

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

ChangedS:C

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

10/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Ecosystems(28)

Ubuntu 14.04 LTS Ubuntu 16.04 LTS Ubuntu 18.04 LTS Ubuntu 20.04 LTS Ubuntu 22.04 LTS

Timeline

PublishedMay 26, 2020

ModifiedAug 4, 2024

CVE-2020-12389 | Mondoo Vulnerability Intelligence