CVE-2022-26485 – Mozilla Firefox Use-After-Free Vulnerability
https://notcve.org/view.php?id=CVE-2022-26485
Removing an XSLT parameter during processing could have lead to an exploitable use-after-free. We have had reports of attacks in the wild abusing this flaw. This vulnerability affects Firefox < 97.0.2, Firefox ESR < 91.6.1, Firefox for Android < 97.3.0, Thunderbird < 91.6.2, and Focus < 97.3.0. La eliminación de un parámetro XSLT durante el procesamiento podría haber dado lugar a un use-after-free explotable. Hemos recibido informes de ataques en la naturaleza que abusan de esta falla. • https://github.com/mistymntncop/CVE-2022-26485 https://bugzilla.mozilla.org/show_bug.cgi?id=1758062 https://www.mozilla.org/security/advisories/mfsa2022-09 https://access.redhat.com/security/cve/CVE-2022-26485 https://bugzilla.redhat.com/show_bug.cgi?id=2061736 • CWE-416: Use After Free •
CVE-2022-22761 – Mozilla: frame-ancestors Content Security Policy directive was not enforced for framed extension pages
https://notcve.org/view.php?id=CVE-2022-22761
Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in the Web Extension's Content Security Policy. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6. Las páginas de extensión accesibles desde la web (páginas con un esquema moz-extension://) no aplicaban correctamente la directiva frame-ancestors cuando se usaba en la Política de seguridad de contenido de la extensión web. Esta vulnerabilidad afecta a Firefox < 97, Thunderbird < 91.6 y Firefox ESR < 91.6. The Mozilla Foundation Security Advisory describes this flaw as: Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in the Web Extension's Content Security Policy. • https://bugzilla.mozilla.org/show_bug.cgi?id=1745566 https://www.mozilla.org/security/advisories/mfsa2022-04 https://www.mozilla.org/security/advisories/mfsa2022-05 https://www.mozilla.org/security/advisories/mfsa2022-06 https://access.redhat.com/security/cve/CVE-2022-22761 https://bugzilla.redhat.com/show_bug.cgi?id=2053239 • CWE-829: Inclusion of Functionality from Untrusted Control Sphere •
CVE-2022-22759 – Mozilla: Sandboxed iframes could have executed script if the parent appended elements
https://notcve.org/view.php?id=CVE-2022-22759
If a document created a sandboxed iframe without <code>allow-scripts</code>, and subsequently appended an element to the iframe's document that e.g. had a JavaScript event handler - the event handler would have run despite the iframe's sandbox. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6. Si un documento creó un iframe en la sandboxed sin <code>allow-scripts</code> y posteriormente agregó un elemento al documento del iframe que, por ejemplo, tenía un controlador de eventos JavaScript, el controlador de eventos se habría ejecutado a pesar de la sandbox del iframe. Esta vulnerabilidad afecta a Firefox < 97, Thunderbird < 91.6 y Firefox ESR < 91.6. The Mozilla Foundation Security Advisory describes this flaw as: If a document created a sandboxed iframe without allow-scripts and subsequently appended an element to the iframe's document that, for example, had a JavaScript event handler - the event handler would have run despite the iframe's sandbox. • https://bugzilla.mozilla.org/show_bug.cgi?id=1739957 https://www.mozilla.org/security/advisories/mfsa2022-04 https://www.mozilla.org/security/advisories/mfsa2022-05 https://www.mozilla.org/security/advisories/mfsa2022-06 https://access.redhat.com/security/cve/CVE-2022-22759 https://bugzilla.redhat.com/show_bug.cgi?id=2053242 • CWE-829: Inclusion of Functionality from Untrusted Control Sphere •
CVE-2022-22754 – Mozilla: Extensions could have bypassed permission confirmation during update
https://notcve.org/view.php?id=CVE-2022-22754
If a user installed an extension of a particular type, the extension could have auto-updated itself and while doing so, bypass the prompt which grants the new version the new requested permissions. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6. Si un usuario instaló una extensión de un tipo particular, la extensión podría haberse actualizado automáticamente y, al hacerlo, omitir el mensaje que otorga a la nueva versión los nuevos permisos solicitados. Esta vulnerabilidad afecta a Firefox < 97, Thunderbird < 91.6 y Firefox ESR < 91.6. A flaw was found in Mozilla. • https://bugzilla.mozilla.org/show_bug.cgi?id=1750565 https://www.mozilla.org/security/advisories/mfsa2022-04 https://www.mozilla.org/security/advisories/mfsa2022-05 https://www.mozilla.org/security/advisories/mfsa2022-06 https://access.redhat.com/security/cve/CVE-2022-22754 https://bugzilla.redhat.com/show_bug.cgi?id=2053236 • CWE-863: Incorrect Authorization CWE-1021: Improper Restriction of Rendered UI Layers or Frames •
CVE-2022-22763 – Mozilla: Script Execution during invalid object state
https://notcve.org/view.php?id=CVE-2022-22763
When a worker is shutdown, it was possible to cause script to run late in the lifecycle, at a point after where it should not be possible. This vulnerability affects Firefox < 96, Thunderbird < 91.6, and Firefox ESR < 91.6. Cuando se apaga un trabajador, era posible hacer que el script se ejecutara tarde en el ciclo de vida, en un punto posterior al que no debería ser posible. Esta vulnerabilidad afecta a Firefox < 96, Thunderbird< 91.6 y Firefox ESR < 91.6. The Mozilla Foundation Security Advisory describes this flaw as: When a worker was shut down, it was possible to cause the script to run late in the lifecycle, at a point where it should not be possible. • https://bugzilla.mozilla.org/show_bug.cgi?id=1740534 https://www.mozilla.org/security/advisories/mfsa2022-01 https://www.mozilla.org/security/advisories/mfsa2022-05 https://www.mozilla.org/security/advisories/mfsa2022-06 https://access.redhat.com/security/cve/CVE-2022-22763 https://bugzilla.redhat.com/show_bug.cgi?id=2053240 • CWE-94: Improper Control of Generation of Code ('Code Injection') •