CVSS: 7.5EPSS: 0%CPEs: 18EXPL: 0CVE-2018-12393 – Mozilla: Integer overflow during Unicode conversion while loading JavaScript
https://notcve.org/view.php?id=CVE-2018-12393
A potential vulnerability was found in 32-bit builds where an integer overflow during the conversion of scripts to an internal UTF-16 representation could result in allocating a buffer too small for the conversion. This leads to a possible out-of-bounds write. *Note: 64-bit builds are not vulnerable to this issue.*. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3. Se ha encontrado una vulnerabilidad potencial en los builds de 32 bit en la que un desbordamiento de enteros durante la conversión de scripts en una representación UTF-16 interna podría conducir a la asignación de un búfer demasiado pequeño para dicha conversión. • http://www.securityfocus.com/bid/105718 http://www.securityfocus.com/bid/105769 http://www.securitytracker.com/id/1041944 https://access.redhat.com/errata/RHSA-2018:3005 https://access.redhat.com/errata/RHSA-2018:3006 https://access.redhat.com/errata/RHSA-2018:3531 https://access.redhat.com/errata/RHSA-2018:3532 https://bugzilla.mozilla.org/show_bug.cgi?id=1495011 https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html https://lists.debian.org/debian-lts-announ • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-190: Integer Overflow or Wraparound CWE-787: Out-of-bounds Write •
CVSS: 6.5EPSS: 2%CPEs: 17EXPL: 0CVE-2018-12396 – Mozilla: WebExtension content scripts can execute in disallowed contexts
https://notcve.org/view.php?id=CVE-2018-12396
A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63. Una vulnerabilidad en la que WebExtensions pueden ejecutar scripts de contenido en contextos no permitidos tras una navegación u otros eventos. Esto permite el escalado de privilegios potencial mediante WebExtensions en sitios en los que los scripts de contenido no deberían ejecutarse. • http://www.securityfocus.com/bid/105718 http://www.securitytracker.com/id/1041944 https://access.redhat.com/errata/RHSA-2018:3005 https://access.redhat.com/errata/RHSA-2018:3006 https://bugzilla.mozilla.org/show_bug.cgi?id=1483602 https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html https://security.gentoo.org/glsa/201811-04 https://usn.ubuntu.com/3801-1 https://www.debian.org/security/2018/dsa-4324 https://www.mozilla.org/security/advisories/mfsa2018-26&# • CWE-284: Improper Access Control CWE-732: Incorrect Permission Assignment for Critical Resource •
CVSS: 9.8EPSS: 0%CPEs: 19EXPL: 0CVE-2018-12392 – Mozilla: Crash with nested event loops
https://notcve.org/view.php?id=CVE-2018-12392
When manipulating user events in nested loops while opening a document through script, it is possible to trigger a potentially exploitable crash due to poor event handling. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3. Al manipular los eventos de usuario en bucles anidados durante la apertura de un documento mediante script, es posible desencadenar un cierre inesperado potencialmente explotable debido a la mala gestión de eventos. Esta vulnerabilidad afecta a las versiones anteriores a la 63 de Firefox, las versiones anteriores a la 60.3 de Firefox ESR y las versiones anteriores a la 60.3 de Thunderbird. • http://www.securityfocus.com/bid/105718 http://www.securityfocus.com/bid/105769 http://www.securitytracker.com/id/1041944 https://access.redhat.com/errata/RHSA-2018:3005 https://access.redhat.com/errata/RHSA-2018:3006 https://access.redhat.com/errata/RHSA-2018:3531 https://access.redhat.com/errata/RHSA-2018:3532 https://bugzilla.mozilla.org/show_bug.cgi?id=1492823 https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html https://lists.debian.org/debian-lts-announ • CWE-364: Signal Handler Race Condition •
CVSS: 7.1EPSS: 0%CPEs: 15EXPL: 0CVE-2018-12397 – Mozilla: WebExtension local file permission check bypass
https://notcve.org/view.php?id=CVE-2018-12397
A WebExtension can request access to local files without the warning prompt stating that the extension will "Access your data for all websites" being displayed to the user. This allows extensions to run content scripts in local pages without permission warnings when a local file is opened. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63. WebExtensions pueden solicitar el acceso a archivos locales sin que salte un aviso de advertencia en el que consta que la extensión accederá a sus datos para todo sitio web, mostrándose así al usuario. Esto permite que las extensiones ejecuten scripts de contenido en páginas locales sin advertencias de permisos al abrir un archivo local. • http://www.securityfocus.com/bid/105718 http://www.securitytracker.com/id/1041944 https://access.redhat.com/errata/RHSA-2018:3005 https://access.redhat.com/errata/RHSA-2018:3006 https://bugzilla.mozilla.org/show_bug.cgi?id=1487478 https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html https://security.gentoo.org/glsa/201811-04 https://usn.ubuntu.com/3801-1 https://www.debian.org/security/2018/dsa-4324 https://www.mozilla.org/security/advisories/mfsa2018-26&# • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-862: Missing Authorization •
CVSS: 7.5EPSS: 0%CPEs: 15EXPL: 0CVE-2018-12395 – Mozilla: WebExtension bypass of domain restrictions through header rewriting
https://notcve.org/view.php?id=CVE-2018-12395
By rewriting the Host: request headers using the webRequest API, a WebExtension can bypass domain restrictions through domain fronting. This would allow access to domains that share a host that are otherwise restricted. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63. Al reescribir las cabeceras "Host: request" que utilizan la API webRequest, WebExtensions pueden omitir las restricciones de dominio mediante la fronting del dominio. Esto permitiría el acceso a dominios, cuyo acceso es normalmente restringido, que comparten un host. • http://www.securityfocus.com/bid/105718 http://www.securitytracker.com/id/1041944 https://access.redhat.com/errata/RHSA-2018:3005 https://access.redhat.com/errata/RHSA-2018:3006 https://bugzilla.mozilla.org/show_bug.cgi?id=1467523 https://lists.debian.org/debian-lts-announce/2018/11/msg00008.html https://security.gentoo.org/glsa/201811-04 https://usn.ubuntu.com/3801-1 https://www.debian.org/security/2018/dsa-4324 https://www.mozilla.org/security/advisories/mfsa2018-26&# • CWE-284: Improper Access Control •