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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-23976 Detail

Description

When accepting a malicious intent from other installed apps, Firefox for Android accepted manifests from arbitrary file paths and allowed declaring webapp manifests for other origins. This could be used to gain fullscreen access for UI spoofing and could also lead to cross-origin attacks on targeted websites. Note: This issue is a different issue from CVE-2020-26954 and only affected Firefox for Android. Other operating systems are unaffected. This vulnerability affects Firefox < 86.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1684627 Issue Tracking  Permissions Required  Vendor Advisory 
https://bugzilla.mozilla.org/show_bug.cgi?id=1684627 Issue Tracking  Permissions Required  Vendor Advisory 
https://security.gentoo.org/glsa/202104-10 Third Party Advisory 
https://security.gentoo.org/glsa/202104-10 Third Party Advisory 
https://www.mozilla.org/security/advisories/mfsa2021-07/ Release Notes  Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2021-07/ Release Notes  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-1021 Improper Restriction of Rendered UI Layers or Frames cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-23976
NVD Published Date:
02/25/2021
NVD Last Modified:
11/21/2024
Source:
Mozilla Corporation