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Ubuntu 20.04: USN-6201-1 Critical: Firefox Denial Of Service Threat

ubuntu
Calendar Grey July 5, 2023
Dist Ubuntu Esm H88
Explore the specifics of Ubuntu Security Notice USN-6201-1, addressing several vulnerabilities in Firefox. Learn about the impact of these issues and how to update your system
Several security issues were fixed in Firefox.

Summary

Several security issues were fixed in Firefox.

Software Description:

- firefox: Mozilla Open Source web browser

Details:

Multiple security issues were discovered in Firefox. If a user were

tricked into opening a specially crafted website, an attacker could

potentially exploit these to cause a denial of service, obtain sensitive

information across domains, or execute arbitrary code. (CVE-2023-37201,

CVE-2023-37202, CVE-2023-37205, CVE-2023-37207, CVE-2023-37209,

CVE-2023-37210, CVE-2023-37211, CVE-2023-37212)

Martin Hostettler discovered that Firefox did not properly block storage of

all cookies when configured. An attacker could potentially exploits this

issue to store tracking data without permission in localstorage.

(CVE-2023-3482)

Paul Nickerson discovered that Firefox did have insufficient validation in

the Drag and Drop API. If a user were tricked into creating a shortcut to

local system files, an attacker could execute arbitrary code.

(CVE-2023-37203)

Irvan Kurniawan di...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service firefox malicious code attack vectors ubuntu cookie management

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.04 LTS:
  firefox                         115.0+build2-0ubuntu0.20.04.3

After a standard system update you need to restart Firefox to make all the
necessary changes.

References

https://ubuntu.com/security/notices/USN-6201-1

CVE-2023-3482, CVE-2023-37201, CVE-2023-37202, CVE-2023-37203,

CVE-2023-37204, CVE-2023-37205, CVE-2023-37206, CVE-2023-37207,

CVE-2023-37208, CVE-2023-37209, CVE-2023-37210, CVE-2023-37211,

CVE-2023-37212

Severity
critical
Lowest
Low
Medium
High
Critical

July 05, 2023

Topics%20covered

Topics Covered

security advisory denial of service firefox malicious code attack vectors ubuntu cookie management

Package Information

https://launchpad.net/ubuntu/+source/firefox/115.0+build2-0ubuntu0.20.04.3

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