CVSS: 8.6EPSS: 0%CPEs: 5EXPL: 0CVE-2021-21202
https://notcve.org/view.php?id=CVE-2021-21202
Use after free in extensions in Google Chrome prior to 90.0.4430.72 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension. Un uso de la memoria previamente liberada en extensions de Google Chrome versiones anteriores a 90.0.4430.72, permitía a un atacante convencer a un usuario de instalar una extensión maliciosa para llevar a cabo potencialmente un escape del sandbox por medio de una extensión de Chrome diseñada • https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop_14.html https://crbug.com/1188889 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A https://security.gentoo.org/glsa/202104-08 https:/ • CWE-416: Use After Free •
CVSS: 7.4EPSS: 0%CPEs: 4EXPL: 0CVE-2021-21198 – Chrome Legacy ipc::Message Passed Via Shared Memory
https://notcve.org/view.php?id=CVE-2021-21198
Out of bounds read in IPC in Google Chrome prior to 89.0.4389.114 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. Una lectura fuera de límites en IPC en Google Chrome versiones anteriores a 89.0.4389.114, permitía a un atacante remoto que había comprometido el proceso del renderizador llevar a cabo potencialmente un escape del sandbox por medio de una página HTML diseñada Looking at the Mojo implementation of Chrome's legacy IPC, the legacy ipc::Message type is transferred inside a BigBuffer. • http://packetstormsecurity.com/files/162973/Chrome-Legacy-ipc-Message-Passed-Via-Shared-Memory.html https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_30.html https://crbug.com/1184399 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproje • CWE-125: Out-of-bounds Read •
CVSS: 8.2EPSS: 0%CPEs: 4EXPL: 0CVE-2021-21381 – Sandbox escape via special tokens in .desktop file
https://notcve.org/view.php?id=CVE-2021-21381
Flatpak es un sistema para construir, distribuir y ejecutar aplicaciones de escritorio en sandbox en Linux. ... Como solución, evite instalar aplicaciones Flatpak de fuentes no fiables, o compruebe el contenido de los archivos exportados ".desktop" en "exports/share/applications/*.desktop" (normalmente "~/.local/share/flatpak/exports/share/applications/*.desktop" y "/var/lib/flatpak/exports/share/applications/*.desktop") para asegurarse de que los nombres literales de los archivos no siguen "@@" o "@@u" A sandbox escape flaw was found in the way flatpak handled special tokens in ".desktop" files. • https://github.com/flatpak/flatpak/commit/8279c5818425b6812523e3805bbe242fb6a5d961 https://github.com/flatpak/flatpak/commit/a7401e638bf0c03102039e216ab1081922f140ae https://github.com/flatpak/flatpak/commit/eb7946bb6248923d8c90fe9b84425fef97ae580d https://github.com/flatpak/flatpak/pull/4156 https://github.com/flatpak/flatpak/releases/tag/1.10.2 https://github.com/flatpak/flatpak/security/advisories/GHSA-xgh4-387p-hqpp https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MXXLXC2DPJ45HSMTI5MZYHMYEGQN6AA&# • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') CWE-284: Improper Access Control •
CVSS: 9.0EPSS: 0%CPEs: 28EXPL: 0CVE-2020-13936 – Velocity Sandbox Bypass
https://notcve.org/view.php?id=CVE-2020-13936
An attacker that is able to modify Velocity templates may execute arbitrary Java code or run arbitrary system commands with the same privileges as the account running the Servlet container. This applies to applications that allow untrusted users to upload/modify velocity templates running Apache Velocity Engine versions up to 2.2. Un atacante que es capaz de modificar las plantillas de Velocity puede ejecutar código Java arbitrario o ejecutar comandos de sistema arbitrarios con los mismos privilegios que la cuenta que ejecuta el contenedor Servlet. Esto se aplica a las aplicaciones que permiten a usuarios no confiables cargar y modificar plantillas de velocidad que ejecutan versiones de Apache Velocity Engine versiones hasta la 2.2 A flaw was found in velocity. An attacker, able to modify Velocity templates, may execute arbitrary Java code or run arbitrary system commands with the same privileges as the account running the Servlet container. • http://www.openwall.com/lists/oss-security/2021/03/10/1 https://lists.apache.org/thread.html/r01043f584cbd47959fabe18fff64de940f81a65024bb8dddbda31d9a%40%3Cuser.velocity.apache.org%3E https://lists.apache.org/thread.html/r0bc98e9cd080b4a13b905c571b9bed87e1a0878d44dbf21487c6cca4%40%3Cdev.santuario.apache.org%3E https://lists.apache.org/thread.html/r17cb932fab14801b14e5b97a7f05192f4f366ef260c10d4a8dba8ac9%40%3Cdev.ws.apache.org%3E https://lists.apache.org/thread.html/r293284c6806c73f51098001ea86a14271c39f72cd76af9e946d9d9ad%40%3Cdev.ws.apache.org%3E https://lists • CWE-94: Improper Control of Generation of Code ('Code Injection') •
CVSS: 9.6EPSS: 0%CPEs: 4EXPL: 1CVE-2021-21155
https://notcve.org/view.php?id=CVE-2021-21155
Heap buffer overflow in Tab Strip in Google Chrome on Windows prior to 88.0.4324.182 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. Un desbordamiento del búfer de la pila en Tab Strip en Google Chrome en Windows versiones anteriores a 88.0.4324.182, permitió a un atacante remoto que había comprometido el proceso del renderizador llevar a cabo potencialmente un escape del sandbox por medio de una página HTML diseñada • https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_16.html https://crbug.com/1175500 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BI6ZIJQYP5DFMYVX4J5OGOU2NQLEZ3SB https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX https://security.gentoo.org/glsa/202104-08 • CWE-787: Out-of-bounds Write •