USN-4728-1: snapd vulnerability

Gilad Reti and Nimrod Stoler discovered that snapd did not correctly specify cgroup delegation when generating systemd service units for various container management snaps. This could allow a local attacker to escalate privileges via access to arbitrary devices of the container host from within a...

CVE-2020-27352

When generating the systemd service units for the docker snap and other similar snaps, snapd does not specify Delegate=yes - as a result systemd will move processes from the containers created and managed by these snaps into the cgroup of the main daemon within the snap itself when reloading syst...

snapd Permission and Access Control Issues Vulnerability

snapd is an open source, cross-platform package management tool. A privilege permission and access control issue vulnerability exists in Snapd, which arises from a lack of effective privilege permission and access control measures in a network system or product...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : snapd vulnerability (USN-4728-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4728-1 advisory. Gilad Reti and Nimrod Stoler discovered that snapd did not correctly specify cgroup delegation when generating systemd service units for...

Ubuntu: Security Advisory (USN-4728-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

Debian DLA-2527-1 : snapd security update

golang-go.crypto was recently updated with a fix for CVE-2019-11840. This in turn requires all packages that use the affected code to be recompiled in order to pick up the security fix. CVE-2019-11840 An issue was discovered in supplementary Go cryptography libraries, aka...

DLA-2527-1 snapd - security update

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Debian: Security Advisory (DLA-2527-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2021 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...

[SECURITY] [DLA 2527-1] snapd security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-2527-1 [email protected] https://www.debian.org/lts/security/ Brian May January 18, 2021 https://wiki.debian.org/LTS -...

CVE-2021-3155

snapd 2.54.2 and earlier created /snap directories in user home directories without specifying owner-only permissions. This could allow a local attacker to read information that should have been private. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1...

UBUNTU-CVE-2021-3155

snapd 2.54.2 and earlier created /snap directories in user home directories without specifying owner-only permissions. This could allow a local attacker to read information that should have been private. Fixed in snapd versions 2.54.3+18.04, 2.54.3+20.04 and 2.54.3+21.10.1...

CVE-2020-29652

A nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0.0-20201203163018-be400aefbc4c for Go allows remote attackers to cause a denial of service against SSH servers...

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...

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...

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-2020-11933

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...