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CVE-2021-29959

Status Candidate

Overview

When a user has already allowed a website to access microphone and camera, disabling camera sharing would not fully prevent the website from re-enabling it without an additional prompt. This was only possible if the website kept recording with the microphone until re-enabling the camera. This vulnerability affects Firefox < 89.

Related Files

Gentoo Linux Security Advisory 202107-09
Posted Jul 7, 2021
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202107-9 - Multiple vulnerabilities have been found in Mozilla Firefox, the worst of which could result in the arbitrary execution of code. Versions less than 89.0 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2021-29959, CVE-2021-29960, CVE-2021-29961, CVE-2021-29966
MD5 | ecb2a8d609e1cf90ff2a049c90345e9a
Ubuntu Security Notice USN-4978-1
Posted Jun 3, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4978-1 - 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. 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. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, local, spoof
systems | linux, ubuntu
advisories | CVE-2021-29959, CVE-2021-29960, CVE-2021-29966, CVE-2021-29967
MD5 | 01e79350aca3fc8a59ec16c81063b717
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