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CVE-2020-6823

Status Candidate

Overview

A malicious extension could have called <code>browser.identity.launchWebAuthFlow</code>, controlling the redirect_uri, and through the Promise returned, obtain the Auth code and gain access to the user's account at the service provider. This vulnerability affects Firefox < 75.

Related Files

Gentoo Linux Security Advisory 202004-11
Posted Apr 23, 2020
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202004-11 - Multiple vulnerabilities have been found in Mozilla Firefox, the worst of which could result in the arbitrary execution of code. Versions less than 68.7.0 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2020-6821, CVE-2020-6822, CVE-2020-6823, CVE-2020-6824, CVE-2020-6825, CVE-2020-6826
SHA-256 | 56769140d3745c7fa75b078705e9f9388804f80045f7d7e2f2e6319e05b03d5f
Ubuntu Security Notice USN-4323-1
Posted Apr 8, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4323-1 - Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, or execute arbitrary code. It was discovered that extensions could obtain auth codes from OAuth login flows in some circumstances. If a user were tricked in to installing a specially crafted extension, an attacker could potentially exploit this to obtain access to the user's account. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2020-6821, CVE-2020-6823, CVE-2020-6824, CVE-2020-6825
SHA-256 | 82ffb73dafade128e5d02a1a6be7bb4cd63c7b63edd4aa2142981b1f0805672e
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