CVE-2021-21261 – Flatpak sandbox escape via spawn portal
https://notcve.org/view.php?id=CVE-2021-21261
A bug was discovered in the `flatpak-portal` service that can allow sandboxed applications to execute arbitrary code on the host system (a sandbox escape). This sandbox-escape bug is present in versions from 0.11.4 and before fixed versions 1.8.5 and 1.10.0. ... Flatpak es un sistema para crear, distribuir y ejecutar aplicaciones de escritorio en sandbox en Linux. Se detectó un fallo en el servicio "flatpak-portal" que puede permitir que las aplicaciones en sandbox ejecuten código arbitrario en el sistema host (un escape del sandbox). Este fallo de escape del sandbox está presente en las versiones 0.11.4 y anteriores a las versiones reparadas 1.8.5 y 1.10.0. • https://github.com/flatpak/flatpak/commit/6d1773d2a54dde9b099043f07a2094a4f1c2f486 https://github.com/flatpak/flatpak/commit/6e5ae7a109cdfa9735ea7ccbd8cb79f9e8d3ae8b https://github.com/flatpak/flatpak/commit/aeb6a7ab0abaac4a8f4ad98b3df476d9de6b8bd4 https://github.com/flatpak/flatpak/commit/cc1401043c075268ecc652eac557ef8076b5eaba https://github.com/flatpak/flatpak/releases/tag/1.8.5 https://github.com/flatpak/flatpak/security/advisories/GHSA-4ppf-fxf6-vxg2 https://security.gentoo.org/glsa/202101-21 https://www.debian.org/security/2021/ • CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') •
CVE-2021-21115
https://notcve.org/view.php?id=CVE-2021-21115
User after free in safe browsing in Google Chrome prior to 87.0.4280.141 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. Un uso de la memoria previamente liberada en safe browsing en Google Chrome versiones anteriores a 87.0.4280.141, 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/2021/01/stable-channel-update-for-desktop.html https://crbug.com/1157814 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVUWIJKZTZTG6G475OR6PP4WPQBVM6PS https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z6P6AVVFP7B2M4H7TJQBASRZIBLOTUFN https://security.gentoo.org/glsa/202101-05 https://www.debian.org/security/2021/dsa-4832 • CWE-416: Use After Free •
CVE-2021-21107
https://notcve.org/view.php?id=CVE-2021-21107
Use after free in drag and drop in Google Chrome on Linux prior to 87.0.4280.141 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. Un uso de la memoria previamente liberada en drag and drop en Google Chrome en Linux versiones anteriores a 87.0.4280.141, 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/2021/01/stable-channel-update-for-desktop.html https://crbug.com/1153595 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVUWIJKZTZTG6G475OR6PP4WPQBVM6PS https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z6P6AVVFP7B2M4H7TJQBASRZIBLOTUFN https://security.gentoo.org/glsa/202101-05 https://www.debian.org/security/2021/dsa-4832 • CWE-416: Use After Free •
CVE-2021-21108
https://notcve.org/view.php?id=CVE-2021-21108
Use after free in media in Google Chrome prior to 87.0.4280.141 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. Un uso de la memoria previamente liberada en media en Google Chrome versiones anteriores a 87.0.4280.141, 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/2021/01/stable-channel-update-for-desktop.html https://crbug.com/1155426 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVUWIJKZTZTG6G475OR6PP4WPQBVM6PS https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z6P6AVVFP7B2M4H7TJQBASRZIBLOTUFN https://security.gentoo.org/glsa/202101-05 https://www.debian.org/security/2021/dsa-4832 • CWE-416: Use After Free •
CVE-2021-21109
https://notcve.org/view.php?id=CVE-2021-21109
Use after free in payments in Google Chrome prior to 87.0.4280.141 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. Un uso de la memoria previamente liberada en payments en Google Chrome versiones anteriores a 87.0.4280.141, 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/2021/01/stable-channel-update-for-desktop.html https://crbug.com/1152334 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VVUWIJKZTZTG6G475OR6PP4WPQBVM6PS https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z6P6AVVFP7B2M4H7TJQBASRZIBLOTUFN https://security.gentoo.org/glsa/202101-05 https://www.debian.org/security/2021/dsa-4832 • CWE-416: Use After Free •