CVE-2021-23968

CVE Details

Release Date:	2021-02-26
Impact:	None	What is this?

Description

If Content Security Policy blocked frame navigation, the full destination of a redirect served in the frame was reported in the violation report; as opposed to the original frame URI. This could be used to leak sensitive information contained in such URIs. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.

See more information about CVE-2021-23968 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	4.3
Vector String:	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Version:	3.0
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	Required
Scope:	Unchanged
Confidentiality Impact:	Low
Integrity Impact:	None
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 7 (firefox)	ELSA-2021-0656	2021-02-26
Oracle Linux version 7 (thunderbird)	ELSA-2021-0661	2021-02-26
Oracle Linux version 8 (firefox)	ELSA-2021-0655	2021-02-26
Oracle Linux version 8 (thunderbird)	ELSA-2021-0657	2021-02-26