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CVE-2020-6809

Publication date 10 March 2020

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

When a Web Extension had the all-urls permission and made a fetch request with a mode set to 'same-origin', it was possible for the Web Extension to read local files. This vulnerability affects Firefox < 74.

Read the notes from the security team

Status

Package Ubuntu Release Status
firefox 24.04 LTS noble
Fixed 74.0+build3-0ubuntu1
23.10 mantic
Fixed 74.0+build3-0ubuntu1
23.04 lunar
Fixed 74.0+build3-0ubuntu1
22.10 kinetic
Fixed 74.0+build3-0ubuntu1
22.04 LTS jammy
Fixed 74.0+build3-0ubuntu1
21.10 impish
Fixed 74.0+build3-0ubuntu1
21.04 hirsute
Fixed 74.0+build3-0ubuntu1
20.10 groovy
Fixed 74.0+build3-0ubuntu1
20.04 LTS focal
Fixed 74.0+build3-0ubuntu1
19.10 eoan
Fixed 74.0+build3-0ubuntu0.19.10.1
18.04 LTS bionic
Fixed 74.0+build3-0ubuntu0.18.04.1
16.04 LTS xenial
Fixed 74.0+build3-0ubuntu0.16.04.1
14.04 LTS trusty Not in release
mozjs38 24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Not in release
18.04 LTS bionic Ignored
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
mozjs52 24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy Ignored
20.04 LTS focal Ignored
19.10 eoan Ignored
18.04 LTS bionic Ignored
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
mozjs60 24.04 LTS noble Not in release
23.10 mantic Not in release
23.04 lunar Not in release
22.10 kinetic Not in release
22.04 LTS jammy Not in release
21.10 impish Not in release
21.04 hirsute Not in release
20.10 groovy Not in release
20.04 LTS focal Not in release
19.10 eoan Ignored
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release

Notes

tyhicks

mozjs contains a copy of the SpiderMonkey JavaScript engine

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-4299-1
    • Firefox vulnerabilities
    • 11 March 2020

Other references