canonical ubuntu linux 16.04 vulnerabilities and exploits

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It exists that snapctl user-open allowed altering the $XDG_DATA_DIRS environment variable when calling the system xdg-open. OpenURL() in usersession/userd/launcher.go would alter $XDG_DATA_DIRS to append a path to a directory controlled by the calling snap. A malicious snap could...

Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 19.10 Canonical Ubuntu Linux 20.04

An integer overflow in whoopsie prior to 0.2.52.5ubuntu0.1, 0.2.62ubuntu0.1, 0.2.64ubuntu0.1, 0.2.66, results in an out-of-bounds write to a heap allocated buffer when processing large crash dumps. This results in a crash or possible code-execution in the context of the whoopsie ...

Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 18.10 Canonical Ubuntu Linux 19.04

An Ubuntu-specific patch in PulseAudio created a race condition where the snap policy module would fail to identify a client connection from a snap as coming from a snap if SCM_CREDENTIALS were missing, allowing the snap to connect to PulseAudio without proper confinement. This c...

Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 20.10

The aptdaemon DBus interface disclosed file existence disclosure by setting Terminal/DebconfSocket properties, aka GHSL-2020-192 and GHSL-2020-196. This affected versions before 1.1.1+bzr982-0ubuntu34.1, 1.1.1+bzr982-0ubuntu32.3, 1.1.1+bzr982-0ubuntu19.5, 1.1.1+bzr982-0ubuntu14.5...

Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 20.10

An issue exists in network-manager-applet (aka network-manager-gnome) in Ubuntu 12.04 LTS, 14.04 LTS, 16.04 LTS, and 16.10. A local attacker could use this issue at the default Ubuntu login screen to access local files and execute arbitrary commands as the lightdm user. The explo...

Canonical Ubuntu Linux 12.04 Canonical Ubuntu Linux 14.04 Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 16.10

Aptdaemon performed policykit checks after interacting with potentially untrusted files with elevated privileges. This affected versions before 1.1.1+bzr982-0ubuntu34.1, 1.1.1+bzr982-0ubuntu32.3, 1.1.1+bzr982-0ubuntu19.5, 1.1.1+bzr982-0ubuntu14.5.

Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 20.10

Buffer overflow in Ubuntu14.04 ORCA (Online Receipt Computer Advantage) 4.8.0 (panda-client2) 1:1.4.9+p41-u4jma1 and previous versions, Ubuntu14.04 ORCA (Online Receipt Computer Advantage) 5.0.0 (panda-client2) 1:2.0.0+p48-u4jma1 and previous versions, and Ubuntu16.04 ORCA (Onlin...

Canonical Ubuntu Linux 14.04 Canonical Ubuntu Linux 16.04

In some conditions, a snap package built by snapcraft includes the current directory in LD_LIBRARY_PATH, allowing a malicious snap to gain code execution within the context of another snap if both plug the home interface or similar. This issue affects snapcraft versions before 4....

Canonical Snapcraft Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 18.04

LXD prior to 2.0.2 uses world-readable permissions for /var/lib/lxd/zfs.img when setting up a loop based ZFS pool, which allows local users to copy and read data from arbitrary containers via unspecified vectors.

Canonical Ubuntu Linux 15.10 Canonical Ubuntu Linux 16.04 Canonical Lxd

A vulnerability in the seccomp filters of Canonical snapd before version 2.37.4 allows a strict mode snap to insert characters into a terminal on a 64-bit host. The seccomp rules were generated to match 64-bit ioctl(2) commands on a 64-bit platform; however, the Linux kernel only...

Canonical Snapd Canonical Ubuntu Linux 14.04 Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 18.10

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