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CVE-2023-34415

Status Candidate

Overview

When choosing a site-isolated process for a document loaded from a data: URL that was the result of a redirect, Firefox would load that document in the same process as the site that issued the redirect. This bypassed the site-isolation protections against Spectre-like attacks on sites that host an "open redirect". Firefox no longer follows HTTP redirects to data: URLs. This vulnerability affects Firefox < 114.

Related Files

Gentoo Linux Security Advisory 202401-10
Posted Jan 8, 2024
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202401-10 - Multiple vulnerabilities have been found in Mozilla Firefox, the worst of which could lead to remote code execution. Versions greater than or equal to 115.6.0:esr are affected.

tags | advisory, remote, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2023-32205, CVE-2023-32206, CVE-2023-32207, CVE-2023-32208, CVE-2023-32209, CVE-2023-32210, CVE-2023-32211, CVE-2023-32212, CVE-2023-32213, CVE-2023-32214, CVE-2023-32215, CVE-2023-32216, CVE-2023-34414, CVE-2023-34415
SHA-256 | 53bf0705601dd338f28fb099f702f849b8f5d0320d2b9b985d789952f2af0b42
Ubuntu Security Notice USN-6143-3
Posted Jun 21, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6143-3 - USN-6143-1 fixed vulnerabilities and USN-6143-2 fixed minor regressions in Firefox. The update introduced several minor regressions. This update fixes the problem. 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. Jun Kokatsu discovered that Firefox did not properly validate site-isolated process for a document loaded from a data: URL that was the result of a redirect, leading to an open redirect attack. An attacker could possibly use this issue to perform phishing attacks.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2023-34415, CVE-2023-34416
SHA-256 | e690f8d3c152b17d38443bd09682b13c330339ba11e481a3a6a3374c0990b471
Ubuntu Security Notice USN-6143-2
Posted Jun 13, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6143-2 - USN-6143-1 fixed vulnerabilities in Firefox. The update introduced several minor regressions. This update fixes the problem. 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. Jun Kokatsu discovered that Firefox did not properly validate site-isolated process for a document loaded from a data: URL that was the result of a redirect, leading to an open redirect attack. An attacker could possibly use this issue to perform phishing attacks.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, ubuntu
advisories | CVE-2023-34415, CVE-2023-34416
SHA-256 | 65e5345c6a2eff50bedd46c58f08263dddb24b4796a5b94947e949f12a360fb6
Ubuntu Security Notice USN-6143-1
Posted Jun 7, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6143-1 - 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, obtain sensitive information across domains, or execute arbitrary code. Jun Kokatsu discovered that Firefox did not properly validate site-isolated process for a document loaded from a data: URL that was the result of a redirect, leading to an open redirect attack. An attacker could possibly use this issue to perform phishing attacks.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2023-34414, CVE-2023-34415, CVE-2023-34416, CVE-2023-34417
SHA-256 | bd9ffeca01911fb13e117e8a1a7783e4a6fcfb21b1709f4dca9749fb6a00db42
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