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Ubuntu 20.04 LTS USN-6267-1 High Severity: Firefox Code Execution Risk

ubuntu
Calendar Grey August 2, 2023
Dist Ubuntu Esm H88
A series of security patches for Chrome address vulnerabilities that could result in information leakage and service disruptions.
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-2023-4047,

CVE-2023-4048, CVE-2023-4049, CVE-2023-4051, CVE-2023-4053, CVE-2023-4055,

CVE-2023-4056, CVE-2023-4057, CVE-2023-4058)

Max Vlasov discovered that Firefox Offscreen Canvas did not properly track

cross-origin tainting. An attacker could potentially exploit this issue to

access image data from another site in violation of same-origin policy.

(CVE-2023-4045)

Alexander Guryanov discovered that Firefox did not properly update the

value of a global variable in WASM JIT analysis in some circumstances. An

attacker could potentially exploit this issue to cause a denial of service.

(CVE-2023-4...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service high severity arbitrary code execution Ubuntu information exposure Firefox

Update Instructions

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

Ubuntu 20.04 LTS:
  firefox                         116.0+build2-0ubuntu0.20.04.2

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

References

https://ubuntu.com/security/notices/USN-6267-1

CVE-2023-4045, CVE-2023-4046, CVE-2023-4047, CVE-2023-4048,

CVE-2023-4049, CVE-2023-4050, CVE-2023-4051, CVE-2023-4053,

CVE-2023-4055, CVE-2023-4056, CVE-2023-4057, CVE-2023-4058

Ubuntu Security Notice USN-6267-1

Topics%20covered

Topics Covered

security advisory denial of service high severity arbitrary code execution Ubuntu information exposure Firefox

Package Information

https://launchpad.net/ubuntu/+source/firefox/116.0+build2-0ubuntu0.20.04.2

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