CVE-2023-6931 – Out-of-bounds write in Linux kernel's Performance Events system component
https://notcve.org/view.php?id=CVE-2023-6931
A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation. A perf_event's read_size can overflow, leading to an heap out-of-bounds increment or write in perf_read_group(). We recommend upgrading past commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b. Se puede aprovechar una vulnerabilidad de escritura fuera de los límites en la pila en el componente del sistema Performance Events del kernel de Linux para lograr una escalada de privilegios local. El read_size de un perf_event puede desbordarse, lo que lleva a un incremento o escritura fuera de los límites en la pila en perf_read_group(). Recomendamos actualizar al commit anterior 382c27f4ed28f803b1f1473ac2d8db0afc795a1b. A flaw was found in the Linux kernel's Performance Events system component. • https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=382c27f4ed28f803b1f1473ac2d8db0afc795a1b https://kernel.dance/382c27f4ed28f803b1f1473ac2d8db0afc795a1b https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html https://access.redhat.com/security/cve/CVE-2023-6931 https://bugzilla.redhat.com/show_bug.cgi?id=2252731 • CWE-787: Out-of-bounds Write •
CVE-2023-6873
https://notcve.org/view.php?id=CVE-2023-6873
Memory safety bugs present in Firefox 120. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 121. Errores de seguridad de la memoria presentes en Firefox 120. Algunos de estos errores mostraron evidencia de corrupción de la memoria y suponemos que con suficiente esfuerzo algunos de ellos podrían haberse aprovechado para ejecutar código arbitrario. • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1855327%2C1862089%2C1862723 https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html https://security.gentoo.org/glsa/202401-10 https://www.debian.org/security/2023/dsa-5582 https://www.mozilla.org/security/advisories/mfsa2023-56 • CWE-787: Out-of-bounds Write •
CVE-2023-6867 – Mozilla: Clickjacking permission prompts using the popup transition
https://notcve.org/view.php?id=CVE-2023-6867
The timing of a button click causing a popup to disappear was approximately the same length as the anti-clickjacking delay on permission prompts. It was possible to use this fact to surprise users by luring them to click where the permission grant button would be about to appear. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121. El timing en el que se hace clic en un botón que provoca la desaparición de una ventana emergente era aproximadamente de la misma duración que el retraso anti-clickjacking en las solicitudes de permiso. Era posible utilizar este hecho para sorprender a los usuarios atrayéndolos a hacer clic en el lugar donde el botón de concesión de permiso estaría a punto de aparecer. • https://bugzilla.mozilla.org/show_bug.cgi?id=1863863 https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html https://security.gentoo.org/glsa/202401-10 https://www.debian.org/security/2023/dsa-5581 https://www.mozilla.org/security/advisories/mfsa2023-54 https://www.mozilla.org/security/advisories/mfsa2023-56 https://access.redhat.com/security/cve/CVE-2023-6867 https://bugzilla.redhat.com/show_bug.cgi?id=2255366 • CWE-1021: Improper Restriction of Rendered UI Layers or Frames •
CVE-2023-6865 – Mozilla: Potential exposure of uninitialized data in <code>EncryptingOutputStream</code>
https://notcve.org/view.php?id=CVE-2023-6865
`EncryptingOutputStream` was susceptible to exposing uninitialized data. This issue could only be abused in order to write data to a local disk which may have implications for private browsing mode. This vulnerability affects Firefox ESR < 115.6 and Firefox < 121. `EncryptingOutputStream` era susceptible de exponer datos no inicializados. Sólo se puede abusar de este problema para escribir datos en un disco local, lo que puede tener implicaciones para el modo de navegación privada. • https://bugzilla.mozilla.org/show_bug.cgi?id=1864123 https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html https://security.gentoo.org/glsa/202401-10 https://www.debian.org/security/2023/dsa-5581 https://www.mozilla.org/security/advisories/mfsa2023-54 https://www.mozilla.org/security/advisories/mfsa2023-56 https://access.redhat.com/security/cve/CVE-2023-6865 https://bugzilla.redhat.com/show_bug.cgi?id=2255361 • CWE-908: Use of Uninitialized Resource •
CVE-2023-6864 – Mozilla: Memory safety bugs fixed in Firefox 121, Firefox ESR 115.6, and Thunderbird 115.6
https://notcve.org/view.php?id=CVE-2023-6864
Memory safety bugs present in Firefox 120, Firefox ESR 115.5, and Thunderbird 115.5. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121. Errores de seguridad de la memoria presentes en Firefox 120, Firefox ESR 115.5 y Thunderbird 115.5. Algunos de estos errores mostraron evidencia de corrupción de memoria y suponemos que con suficiente esfuerzo algunos de ellos podrían haberse aprovechado para ejecutar código arbitrario. • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1736385%2C1810805%2C1846328%2C1856090%2C1858033%2C1858509%2C1862089%2C1862777%2C1864015 https://lists.debian.org/debian-lts-announce/2023/12/msg00020.html https://lists.debian.org/debian-lts-announce/2023/12/msg00021.html https://security.gentoo.org/glsa/202401-10 https://www.debian.org/security/2023/dsa-5581 https://www.debian.org/security/2023/dsa-5582 https://www.mozilla.org/security/advisories/mfsa2023-54 https://www.mozilla.org/security/advi • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •