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Ubuntu: Security Advisory for firefox (USN-4978-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'firefox' package(s) announced via the USN-4978-1 advisory.
Insight
Insight
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, re-enable camera devices without an additional permission prompt, spoof the browser UI, or execute arbitrary code. (CVE-2021-29959, CVE-2021-29961, CVE-2021-29966, CVE-2021-29967) It was discovered that filenames printed from private browsing mode were incorrectly retained in preferences. A local attacker could potentially exploit this to obtain sensitive information. (CVE-2021-29960)
Affected Software
Affected Software
'firefox' package(s) on Ubuntu 20.10, Ubuntu 20.04 LTS, Ubuntu 18.04 LTS.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
Please install the updated package(s).