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Ubuntu 20.04 LTS: USN-5709-1 Critical: Firefox Crash Risk

ubuntu
Calendar Grey November 1, 2022
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-5709-1 resolves several vulnerabilities within Firefox that could result in application crashes and permit unauthorized operations.
Firefox could be made to crash or run programs as your login if it opened a malicious website.

Summary

Firefox could be made to crash or run programs as your login if it

opened a malicious website.

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-2022-42927,

CVE-2022-42928, CVE-2022-42929, CVE-2022-42930, CVE-2022-42932)

It was discovered that Firefox saved usernames to a plaintext file. A

local user could potentially exploit this to obtain sensitive information.

(CVE-2022-42931)

Topics%20covered

Topics Covered

security advisory denial of service firefox ubuntu sensitive information crash issue

Update Instructions

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

Ubuntu 20.04 LTS:
  firefox                         106.0.2+build1-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  firefox                         106.0.2+build1-0ubuntu0.18.04.1

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

References

https://ubuntu.com/security/notices/USN-5709-1

CVE-2022-42927, CVE-2022-42928, CVE-2022-42929, CVE-2022-42930,

CVE-2022-42931, CVE-2022-42932

Severity
critical
Lowest
Low
Medium
High
Critical

November 01, 2022

Topics%20covered

Topics Covered

security advisory denial of service firefox ubuntu sensitive information crash issue

Package Information

https://launchpad.net/ubuntu/+source/firefox/106.0.2+build1-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/firefox/106.0.2+build1-0ubuntu0.18.04.1

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