CVE-2017-7779 – Mozilla: Memory safety bugs fixed in Firefox 55 and Firefox ESR 52.3 (MFSA 2017-19)
https://notcve.org/view.php?id=CVE-2017-7779
Memory safety bugs were reported in Firefox 54, Firefox ESR 52.2, and Thunderbird 52.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55. Se han reportado errores de seguridad de memoria en Firefox 54, Firefox ESR 52.2, y Thunderbird 52.2. Algunos de estos errores mostraron evidencias de corrupción de memoria y se entiende que, con el suficiente esfuerzo, algunos de estos podrían explotarse para ejecutar código arbitrario. • http://www.securityfocus.com/bid/100201 http://www.securitytracker.com/id/1039124 https://access.redhat.com/errata/RHSA-2017:2456 https://access.redhat.com/errata/RHSA-2017:2534 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1354443%2C1368576%2C1366903%2C1369913%2C1371424%2C1346590%2C1371890%2C1372985%2C1362924%2C1368105%2C1369994%2C1371283%2C1368362%2C1378826%2C1380426%2C1368030%2C1373220%2C1321384%2C1383002 https://security.gentoo.org/glsa/201803-14 https://www.debian.org/security/2017/dsa-3928 https://www.deb • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVE-2017-7803 – Mozilla: CSP directives improperly applied with sandbox flag in iframes (MFSA 2017-19)
https://notcve.org/view.php?id=CVE-2017-7803
When a page's content security policy (CSP) header contains a "sandbox" directive, other directives are ignored. This results in the incorrect enforcement of CSP. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55. Cuando la cabecera CSP (Content Security Policy) de una página contiene una directiva "sandbox", se ignoran otras directivas. Esto resulta en el cumplimiento incorrecto de CSP. • http://www.securityfocus.com/bid/100234 http://www.securitytracker.com/id/1039124 https://access.redhat.com/errata/RHSA-2017:2456 https://access.redhat.com/errata/RHSA-2017:2534 https://bugzilla.mozilla.org/show_bug.cgi?id=1377426 https://security.gentoo.org/glsa/201803-14 https://www.debian.org/security/2017/dsa-3928 https://www.debian.org/security/2017/dsa-3968 https://www.mozilla.org/security/advisories/mfsa2017-18 https://www.mozilla.org/security/advisories/mfsa2017-19 • CWE-269: Improper Privilege Management CWE-863: Incorrect Authorization •
CVE-2017-7791 – Mozilla: Spoofing following page navigation with data: protocol and modal alerts (MFSA 2017-19)
https://notcve.org/view.php?id=CVE-2017-7791
On pages containing an iframe, the "data:" protocol can be used to create a modal alert that will render over arbitrary domains following page navigation, spoofing of the origin of the modal alert from the iframe content. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55. En las páginas que contienen un iframe, el protocolo "data:" se puede emplear para crear una alerta modal que se representará sobre dominios arbitrarios siguiendo la navegación, suplantando el origen de la alerta modal del contenido iframe. La vulnerabilidad afecta a Thunderbird en versiones anteriores a la 52.3, Firefox ESR en versiones anteriores a la 52.3 y Firefox en versiones anteriores a la 55. • http://www.securityfocus.com/bid/100240 http://www.securitytracker.com/id/1039124 https://access.redhat.com/errata/RHSA-2017:2456 https://access.redhat.com/errata/RHSA-2017:2534 https://bugzilla.mozilla.org/show_bug.cgi?id=1365875 https://security.gentoo.org/glsa/201803-14 https://www.debian.org/security/2017/dsa-3928 https://www.debian.org/security/2017/dsa-3968 https://www.mozilla.org/security/advisories/mfsa2017-18 https://www.mozilla.org/security/advisories/mfsa2017-19 • CWE-20: Improper Input Validation CWE-829: Inclusion of Functionality from Untrusted Control Sphere •
CVE-2017-7798 – Mozilla: XUL injection in the style editor in devtools (MFSA 2017-19)
https://notcve.org/view.php?id=CVE-2017-7798
The Developer Tools feature suffers from a XUL injection vulnerability due to improper sanitization of the web page source code. In the worst case, this could allow arbitrary code execution when opening a malicious page with the style editor tool. This vulnerability affects Firefox ESR < 52.3 and Firefox < 55. La característica Developer Tools sufre de una vulnerabilidad de inyección XUL debido al saneamiento incorrecto del código fuente de la página web. En el peor de los casos, esto podría permitir la ejecución de código arbitrario cuando se abre una página maliciosa con la herramienta de editor de estilo. • http://www.securityfocus.com/bid/100198 http://www.securitytracker.com/id/1039124 https://access.redhat.com/errata/RHSA-2017:2456 https://bugzilla.mozilla.org/buglist.cgi?bug_id=1371586%2C1372112 https://www.debian.org/security/2017/dsa-3928 https://www.mozilla.org/security/advisories/mfsa2017-18 https://www.mozilla.org/security/advisories/mfsa2017-19 https://access.redhat.com/security/cve/CVE-2017-7798 https://bugzilla.redhat.com/show_bug.cgi?id=1479213 • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') CWE-94: Improper Control of Generation of Code ('Code Injection') •
CVE-2017-7800 – Mozilla: Use-after-free in WebSockets during disconnection (MFSA 2017-19)
https://notcve.org/view.php?id=CVE-2017-7800
A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished. This results in an exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55. Puede ocurrir una vulnerabilidad de uso de memoria previamente liberada en WebSockets cuando el objeto que mantiene la conexión se libera antes de que concluya la operación de desconexión. Esto resulta en un cierre inesperado explotable. • http://www.securityfocus.com/bid/100196 http://www.securitytracker.com/id/1039124 https://access.redhat.com/errata/RHSA-2017:2456 https://access.redhat.com/errata/RHSA-2017:2534 https://bugzilla.mozilla.org/show_bug.cgi?id=1374047 https://security.gentoo.org/glsa/201803-14 https://www.debian.org/security/2017/dsa-3928 https://www.debian.org/security/2017/dsa-3968 https://www.mozilla.org/security/advisories/mfsa2017-18 https://www.mozilla.org/security/advisories/mfsa2017-19 • CWE-416: Use After Free •