From 095b10634923ff86468e3f39ed2f933857d8cd25 Mon Sep 17 00:00:00 2001 From: "advisory-db[bot]" <45398580+advisory-db[bot]@users.noreply.github.com> Date: Fri, 8 Oct 2021 14:03:52 +0000 Subject: [PATCH] Add CVE-2021-41133 for GHSA-67h7-w3jq-vh4q Add CVE-2021-41133 for GHSA-67h7-w3jq-vh4q --- 2021/41xxx/CVE-2021-41133.json | 123 +++++++++++++++++++++++++++++++-- 1 file changed, 117 insertions(+), 6 deletions(-) diff --git a/2021/41xxx/CVE-2021-41133.json b/2021/41xxx/CVE-2021-41133.json index c84078e4d5e..e3461d60abf 100644 --- a/2021/41xxx/CVE-2021-41133.json +++ b/2021/41xxx/CVE-2021-41133.json @@ -1,18 +1,129 @@ { - "data_type": "CVE", - "data_format": "MITRE", - "data_version": "4.0", "CVE_data_meta": { + "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-41133", - "ASSIGNER": "cve@mitre.org", - "STATE": "RESERVED" + "STATE": "PUBLIC", + "TITLE": "Sandbox bypass via recent VFS-manipulating syscalls" }, + "affects": { + "vendor": { + "vendor_data": [ + { + "product": { + "product_data": [ + { + "product_name": "flatpak", + "version": { + "version_data": [ + { + "version_value": ">= 1.8.0, <= 1.8.2" + }, + { + "version_value": ">= 1.10.0, < 1.10.4" + }, + { + "version_value": ">= 1.11.0, < 1.12.0" + } + ] + } + } + ] + }, + "vendor_name": "flatpak" + } + ] + } + }, + "data_format": "MITRE", + "data_type": "CVE", + "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", - "value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided." + "value": "Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. In versions prior to 1.10.4 and 1.12.0, Flatpak apps with direct access to AF_UNIX sockets such as those used by Wayland, Pipewire or pipewire-pulse can trick portals and other host-OS services into treating the Flatpak app as though it was an ordinary, non-sandboxed host-OS process. They can do this by manipulating the VFS using recent mount-related syscalls that are not blocked by Flatpak's denylist seccomp filter, in order to substitute a crafted `/.flatpak-info` or make that file disappear entirely. Flatpak apps that act as clients for AF_UNIX sockets such as those used by Wayland, Pipewire or pipewire-pulse can escalate the privileges that the corresponding services will believe the Flatpak app has. Note that protocols that operate entirely over the D-Bus session bus (user bus), system bus or accessibility bus are not affected by this. This is due to the use of a proxy process `xdg-dbus-proxy`, whose VFS cannot be manipulated by the Flatpak app, when interacting with these buses. Patches exist for versions 1.10.4 and 1.12.0, and as of time of publication, a patch for version 1.8.2 is being planned. There are no workarounds aside from upgrading to a patched version." } ] + }, + "impact": { + "cvss": { + "attackComplexity": "LOW", + "attackVector": "LOCAL", + "availabilityImpact": "HIGH", + "baseScore": 8.8, + "baseSeverity": "HIGH", + "confidentialityImpact": "HIGH", + "integrityImpact": "HIGH", + "privilegesRequired": "LOW", + "scope": "CHANGED", + "userInteraction": "NONE", + "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", + "version": "3.1" + } + }, + "problemtype": { + "problemtype_data": [ + { + "description": [ + { + "lang": "eng", + "value": "CWE-20: Improper Input Validation" + } + ] + } + ] + }, + "references": { + "reference_data": [ + { + "name": "https://github.com/flatpak/flatpak/security/advisories/GHSA-67h7-w3jq-vh4q", + "refsource": "CONFIRM", + "url": "https://github.com/flatpak/flatpak/security/advisories/GHSA-67h7-w3jq-vh4q" + }, + { + "name": "https://github.com/flatpak/flatpak/commit/1330662f33a55e88bfe18e76de28b7922d91a999", + "refsource": "MISC", + "url": "https://github.com/flatpak/flatpak/commit/1330662f33a55e88bfe18e76de28b7922d91a999" + }, + { + "name": "https://github.com/flatpak/flatpak/commit/26b12484eb8a6219b9e7aa287b298a894b2f34ca", + "refsource": "MISC", + "url": "https://github.com/flatpak/flatpak/commit/26b12484eb8a6219b9e7aa287b298a894b2f34ca" + }, + { + "name": "https://github.com/flatpak/flatpak/commit/462fca2c666e0cd2b60d6d2593a7216a83047aaf", + "refsource": "MISC", + "url": "https://github.com/flatpak/flatpak/commit/462fca2c666e0cd2b60d6d2593a7216a83047aaf" + }, + { + "name": "https://github.com/flatpak/flatpak/commit/4c34815784e9ffda5733225c7d95824f96375e36", + "refsource": "MISC", + "url": "https://github.com/flatpak/flatpak/commit/4c34815784e9ffda5733225c7d95824f96375e36" + }, + { + "name": "https://github.com/flatpak/flatpak/commit/89ae9fe74c6d445bb1b3a40e568d77cf5de47e48", + "refsource": "MISC", + "url": "https://github.com/flatpak/flatpak/commit/89ae9fe74c6d445bb1b3a40e568d77cf5de47e48" + }, + { + "name": "https://github.com/flatpak/flatpak/commit/9766ee05b1425db397d2cf23afd24c7f6146a69f", + "refsource": "MISC", + "url": "https://github.com/flatpak/flatpak/commit/9766ee05b1425db397d2cf23afd24c7f6146a69f" + }, + { + "name": "https://github.com/flatpak/flatpak/commit/a10f52a7565c549612c92b8e736a6698a53db330", + "refsource": "MISC", + "url": "https://github.com/flatpak/flatpak/commit/a10f52a7565c549612c92b8e736a6698a53db330" + }, + { + "name": "https://github.com/flatpak/flatpak/commit/e26ac7586c392b5eb35ff4609fe232c52523b2cf", + "refsource": "MISC", + "url": "https://github.com/flatpak/flatpak/commit/e26ac7586c392b5eb35ff4609fe232c52523b2cf" + } + ] + }, + "source": { + "advisory": "GHSA-67h7-w3jq-vh4q", + "discovery": "UNKNOWN" } } \ No newline at end of file