CVE-2020-6805

When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.mozilla.org/security/advisories/mfsa2020-10/	Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1610880	Issue Tracking Permissions Required Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2020-08/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-09/	Vendor Advisory
https://usn.ubuntu.com/4328-1/	Third Party Advisory
https://usn.ubuntu.com/4335-1/	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox_esr::::::::
	cpe:2.3:a:mozilla:thunderbird::::::::
	cpe:2.3:a:mozilla:firefox::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:19.10:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm:::

Information

Published : 2020-03-25 15:15

Updated : 2023-02-09 18:18

NVD link : CVE-2020-6805

Mitre link : CVE-2020-6805

JSON object : View

CWE

CWE-416

Use After Free

Products Affected

mozilla

firefox
firefox_esr
thunderbird

canonical

ubuntu_linux

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8.8 /10