Vendor
Canonical
224 known vulnerabilities.
Products
224 results · Feed
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Medium 5.9
Sandbox escape vulnerability via snapctl user-open (xdg-open)
It was discovered 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…
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High 7.3
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 d…
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Medium 5.0
Location service uses cached authorization even after revocation
In Ubuntu's trust-store, if a user revokes location access from an application, the location is still available to the application because the application will honour incorrect, cached permissions. This is because the cache was not ordered by creation time by…
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Low 3.3
Ubuntu modifications to pulseaudio to provide snap security enforcement could be unloaded
An Ubuntu-specific modification to Pulseaudio to provide security mediation for Snap-packaged applications was found to have a bypass of intended access restriction for snaps which plugs any of pulseaudio, audio-playback or audio-record via unloading the puls…
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Low 2.3CVE-2020-11932 Public exploit
Subiquity server installer logged LUKS full disk encryption password
It was discovered that the Subiquity installer for Ubuntu Server logged the LUKS full disk encryption password if one was entered.
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High 7.3
MTP service exposed during emergency dialer
Information Exposure vulnerability in Unity8 as used on the Ubuntu phone and possibly also in Unity8 shipped elsewhere. This allows an attacker to enable the MTP service by opening the emergency dialer. Fixed in 8.11+16.04.20160111.1-0ubuntu1 and 8.11+15.04.2…
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Low 2.8
Apport reads PID files with elevated privileges
Apport reads and writes information on a crashed process to /proc/pid with elevated privileges. Apport then determines which user the crashed process belongs to by reading /proc/pid through get_pid_info() in data/apport. An unprivileged user could exploit thi…
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Medium 6.5
World writable root owned lock file created in user controllable location
Apport creates a world writable lock file with root ownership in the world writable /var/lock/apport directory. If the apport/ directory does not exist (this is not uncommon as /var/lock is a tmpfs), it will create the directory, otherwise it will simply cont…
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Medium 5.6
Apport race condition in crash report permissions
Time-of-check Time-of-use Race Condition vulnerability on crash report ownership change in Apport allows for a possible privilege escalation opportunity. If fs.protected_symlinks is disabled, this can be exploited between the os.open and os.chown calls when t…
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Medium 4.3
Byobu apport hook uploads user's ~/.screenrc
Byobu Apport hook may disclose sensitive information since it automatically uploads the local user's .screenrc which may contain private hostnames, usernames and passwords. This issue affects: byobu
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High 8.4
Ubuntu kernel snap build process could use unauthenticated sources
The pc-kernel snap build process hardcoded the --allow-insecure-repositories and --allow-unauthenticated apt options when creating the build chroot environment. This could allow an attacker who is able to perform a MITM attack between the build environment an…
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Medium 5.8
eXtplorer exposes /usr and /etc/extplorer over HTTP
Information Exposure vulnerability in eXtplorer makes the /usr/ and /etc/extplorer/ system directories world-accessible over HTTP. Introduced in the Makefile patch file debian/patches/debian-changes-2.1.0b6+dfsg-1 or debian/patches/adds-a-makefile.patch, this…
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High 8.8
Microk8s Privilege Escalation Vulnerability
Privilege escalation vulnerability in MicroK8s allows a low privilege user with local access to obtain root access to the host by provisioning a privileged container. Fixed in MicroK8s 1.15.3.
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Medium 4.7
python-apt uses MD5 for validation
python-apt only checks the MD5 sums of downloaded files in `Version.fetch_binary()` and `Version.fetch_source()` of apt/package.py in version 1.9.0ubuntu1 and earlier. This allows a man-in-the-middle attack which could potentially be used to install altered p…
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Medium 4.7
python-apt downloads from untrusted sources
Python-apt doesn't check if hashes are signed in `Version.fetch_binary()` and `Version.fetch_source()` of apt/package.py or in `_fetch_archives()` of apt/cache.py in version 1.9.3ubuntu2 and earlier. This allows downloads from unsigned repositories which shou…
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Medium 6.3
Integer overflow in bson_ensure_space
Kevin Backhouse discovered an integer overflow in bson_ensure_space, as used in whoopsie.
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Low 3.3
apport created lock file in wrong directory
Sander Bos discovered Apport's lock file was in a world-writable directory which allowed all users to prevent crash handling.
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High 7.0
Sander Bos discovered Apport mishandled crash dumps originating from containers. This could be used by a local attacker…
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Medium 4.2
Race condition between reading current working directory and writing a core dump
Sander Bos discovered a time of check to time of use (TOCTTOU) vulnerability in apport that allowed a user to cause core files to be written in arbitrary directories.
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Low 3.8
Apport reads arbitrary files if ~/.config/apport/settings is a symlink
Kevin Backhouse discovered that apport would read a user-supplied configuration file with elevated privileges. By replacing the file with a symbolic link, a user could get apport to read any file on the system as root, with unknown consequences.
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High 8.8
Local privilege escalation via snapd socket
Canonical snapd before version 2.37.1 incorrectly performed socket owner validation, allowing an attacker to run arbitrary commands as root. This issue affects: Canonical snapd versions prior to 2.37.1.
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Medium 5.7CVE-2019-7303 Public exploit
Snapd seccomp filter TIOCSTI ioctl bypass
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, …
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Unscored —
The Linux kernel, as used in Ubuntu 18.04 LTS and Ubuntu 18.10, allows local users to obtain names of files in which th…
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Medium 4.6
The default cloud-init configuration, in cloud-init 0.6.2 and newer, included "ssh_deletekeys: 0", disabling cloud-init…