Unauthorized Access

snapd is vulnerable to unauthorized access. The vulnerability exists due to the library allows a strict mode snap to insert characters into a terminal on a 64-bit host but the Linux kernel only uses the lower 32 bits to determine which ioctl2 commands to run. A malicious snap could exploit this t...

CVE-2020-11934

It was discovered that snapctl user-open allowed altering the $XDGDATADIRS environment variable when calling the system xdg-open. OpenURL in usersession/userd/launcher.go would alter $XDGDATADIRS to append a path to a directory controlled by the calling snap. A malicious snap could exploit this t...

CVE-2020-11933

cloud-init as managed by snapd on Ubuntu Core 16 and Ubuntu Core 18 devices was run without restrictions on every boot, which a physical attacker could exploit by crafting cloud-init user-data/meta-data via external media to perform arbitrary changes on the device to bypass intended security...

DEBIAN-CVE-2020-11934

It was discovered that snapctl user-open allowed altering the $XDGDATADIRS environment variable when calling the system xdg-open. OpenURL in usersession/userd/launcher.go would alter $XDGDATADIRS to append a path to a directory controlled by the calling snap. A malicious snap could exploit this t...

CVE-2020-11934

It was discovered that snapctl user-open allowed altering the $XDGDATADIRS environment variable when calling the system xdg-open. OpenURL in usersession/userd/launcher.go would alter $XDGDATADIRS to append a path to a directory controlled by the calling snap. A malicious snap could exploit this t...

CVE-2020-11933

cloud-init as managed by snapd on Ubuntu Core 16 and Ubuntu Core 18 devices was run without restrictions on every boot, which a physical attacker could exploit by crafting cloud-init user-data/meta-data via external media to perform arbitrary changes on the device to bypass intended security...

Design/Logic Flaw

cloud-init as managed by snapd on Ubuntu Core 16 and Ubuntu Core 18 devices was run without restrictions on every boot, which a physical attacker could exploit by crafting cloud-init user-data/meta-data via external media to perform arbitrary changes on the device to bypass intended security...

Path traversal

It was discovered that snapctl user-open allowed altering the $XDGDATADIRS environment variable when calling the system xdg-open. OpenURL in usersession/userd/launcher.go would alter $XDGDATADIRS to append a path to a directory controlled by the calling snap. A malicious snap could exploit this t...

CVE-2020-11934 Sandbox escape vulnerability via snapctl user-open (xdg-open)

It was discovered that snapctl user-open allowed altering the $XDGDATADIRS environment variable when calling the system xdg-open. OpenURL in usersession/userd/launcher.go would alter $XDGDATADIRS to append a path to a directory controlled by the calling snap. A malicious snap could exploit this t...

CVE-2020-11934

It was discovered that snapctl user-open allowed altering the $XDGDATADIRS environment variable when calling the system xdg-open. OpenURL in usersession/userd/launcher.go would alter $XDGDATADIRS to append a path to a directory controlled by the calling snap. A malicious snap could exploit this t...

CVE-2020-11934

CVE-2020-11934 concerns snapd’s snapctl user-open path where OpenURL() manipulates the XDG_DATA_DIRS environment variable, allowing a malicious snap to influence how host xdg-open opens URLs and potentially run a script within the snap with confinement bypass. The issue did not affect Ubuntu Core...

CVE-2020-11933 local snapd exploit through cloud-init

cloud-init as managed by snapd on Ubuntu Core 16 and Ubuntu Core 18 devices was run without restrictions on every boot, which a physical attacker could exploit by crafting cloud-init user-data/meta-data via external media to perform arbitrary changes on the device to bypass intended security...

CVE-2020-11933

The CVE-2020-11933 issue affects Ubuntu Core 16/18 when cloud-init is managed by snapd. It describes cloud-init running with no boot-time restrictions, enabling a physical attacker to craft cloud-init user-data/meta-data on external media to perform arbitrary changes and bypass security controls ...

[SECURITY] Fedora 32 Update: snapd-2.45.2-1.fc32

Snappy is a modern, cross-distribution, transactional package manager designed for working with self-contained, immutable packages...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : snapd vulnerabilities (USN-4424-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4424-1 advisory. It was discovered that cloud-init as managed by snapd on Ubuntu Core 16 and Ubuntu Core 18 devices ran on every boot without...

Fedora 32 : snapd (2020-7685deba9b)

Update to v2.45.2 to fix CVE-2020-11933 and CVE-2020-11934 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional...

Fedora 31 : snapd (2020-ccb155ea2c)

Update to v2.45.2 to fix CVE-2020-11933 and CVE-2020-11934 Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional...

Ubuntu: Security Advisory (USN-4424-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora: Security Advisory for snapd (FEDORA-2020-ccb155ea2c)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Fedora: Security Advisory for snapd (FEDORA-2020-7685deba9b)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...