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Ubuntu 20.04 & 18.04 LTS: USN-5816-1 Critical: Firefox Security Flaws

ubuntu
Calendar Grey January 23, 2023
Dist Ubuntu Esm H88
Keep yourself updated on Ubuntu Security Notice USN-5817-1 concerning vulnerabilities and threats in Chrome to enhance your protection.
Several security issues were fixed in Firefox.

Summary

Several security issues were fixed in Firefox.

Software Description:

- firefox: Mozilla Open Source web browser

Details:

Niklas Baumstark discovered that a compromised web child process of Firefox

could disable web security opening restrictions, leading to a new child

process being spawned within the file:// context. An attacker could

potentially exploits this to obtain sensitive information. (CVE-2023-23597)

Tom Schuster discovered that Firefox was not performing a validation check

on GTK drag data. An attacker could potentially exploits this to obtain

sensitive information. (CVE-2023-23598)

Vadim discovered that Firefox was not properly sanitizing a curl command

output when copying a network request from the developer tools panel. An

attacker could potentially exploits this to hide and execute arbitrary

commands. (CVE-2023-23599)

Luan Herrera discovered that Firefox was not stopping navigation when

dragging a URL from a cross-origin iframe into the same tab. An attacker

pot...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory security issue bug fix firefox ubuntu exploits

Update Instructions

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

Ubuntu 20.04 LTS:
  firefox                         109.0+build2-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  firefox                         109.0+build2-0ubuntu0.18.04.1

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

References

https://ubuntu.com/security/notices/USN-5816-1

CVE-2023-23597, CVE-2023-23598, CVE-2023-23599, CVE-2023-23601,

CVE-2023-23602, CVE-2023-23603, CVE-2023-23604, CVE-2023-23605,

CVE-2023-23606

Severity
critical
Lowest
Low
Medium
High
Critical

January 23, 2023

Topics%20covered

Topics Covered

security advisory security issue bug fix firefox ubuntu exploits

Package Information

https://launchpad.net/ubuntu/+source/firefox/109.0+build2-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/firefox/109.0+build2-0ubuntu0.18.04.1

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