Vendor
Canonical
224 known vulnerabilities.
Products
224 results · Feed
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High 7.8
snapd could be made to escalate privileges and run programs as administrator
snapd 2.54.2 did not properly validate the location of the snap-confine binary. A local attacker who can hardlink this binary to another location to cause snap-confine to execute other arbitrary binaries and hence gain privilege escalation. Fixed in snapd ver…
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Low 3.8
snapd created ~/snap with too-wide permissions
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…
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High 7.8CVE-2021-44731 Public exploit
snapd could be made to escalate privileges and run programs as administrator
A race condition existed in the snapd 2.54.2 snap-confine binary when preparing a private mount namespace for a snap. This could allow a local attacker to gain root privileges by bind-mounting their own contents inside the snap's private mount namespace and c…
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High 8.8
MacOS version of Multipass incorrect owner for application directory
The MacOS version of Multipass, version 1.7.0, fixed in 1.7.2, accidentally installed the application directory with incorrect owner.
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Medium 6.5
Apport info disclosure via path traversal bug in read_file
An information disclosure via path traversal was discovered in apport/hookutils.py function read_file(). This issue affects: apport 2.14.1 versions prior to 2.14.1-0ubuntu3.29+esm8; 2.20.1 versions prior to 2.20.1-0ubuntu2.30+esm2; 2.20.9 versions prior to 2.…
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Medium 6.5
Apport file permission bypass through emacs byte compilation errors
Function check_attachment_for_errors() in file data/general-hooks/ubuntu.py could be tricked into exposing private data via a constructed crash file. This issue affects: apport 2.14.1 versions prior to 2.14.1-0ubuntu3.29+esm8; 2.20.1 versions prior to 2.20.1-…
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High 8.8
Windows version of Multipass unauthenticated localhost tcp control socket can perform mounts
The Windows version of Multipass before 1.7.0 allowed any local process to connect to the localhost TCP control socket to perform mounts from the operating system to a guest, allowing for privilege escalation.
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Medium 5.2
apport process_report() arbitrary file write
It was discovered that the process_report() function in data/whoopsie-upload-all allowed arbitrary file writes via symlinks.
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Low 3.8
apport get_modified_conffiles() function command injection
It was discovered that the get_modified_conffiles() function in backends/packaging-apt-dpkg.py allowed injecting modified package names in a manner that would confuse the dpkg(1) call.
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High 7.3
apport read_file() function could follow maliciously constructed symbolic links
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the xorg-hwe-18.04 package apport hooks, it could expose private data to other local users.
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High 7.3
apport read_file() function could follow maliciously constructed symbolic links
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the xorg package apport hooks, it could expose private data to other local users.
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High 7.3
apport read_file() function could follow maliciously constructed symbolic links
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-17 package apport hooks, it could expose private data to other local users.
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High 7.3
apport read_file() function could follow maliciously constructed symbolic links
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-15 package apport hooks, it could expose private data to other local users.
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High 7.3
apport read_file() function could follow maliciously constructed symbolic links
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-16 package apport hooks, it could expose private data to other local users.
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High 7.3
apport read_file() function could follow maliciously constructed symbolic links
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-14 package apport hooks, it could expose private data to other local users.
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High 7.3
apport read_file() function could follow maliciously constructed symbolic links
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-8 package apport hooks, it could expose private data to other local users.
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High 7.3
apport read_file() function could follow maliciously constructed symbolic links
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-13 package apport hooks, it could expose private data to other local users.
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High 7.3
apport read_file() function could follow maliciously constructed symbolic links
It was discovered that read_file() in apport/hookutils.py would follow symbolic links or open FIFOs. When this function is used by the openjdk-lts package apport hooks, it could expose private data to other local users.
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High 8.8
apport can be stalled by reading a FIFO
It was discovered that apport in data/apport did not properly open a report file to prevent hanging reads on a FIFO.
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High 8.8
apport improperly parses /proc/pid/stat
It was discovered that the get_starttime() function in data/apport did not properly parse the /proc/pid/stat file from the kernel.
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High 8.8
apport improperly parses /proc/pid/status
It was discovered that the get_pid_info() function in data/apport did not properly parse the /proc/pid/status file from the kernel.
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Medium 4.3
Potential DoS through abuse of rate limit in libunity-webapps for Firefox
The unity-firefox-extension package could be tricked into dropping a C callback which was still in use, which Firefox would then free, causing Firefox to crash. This could be achieved by adding an action to the launcher and updating it with new callbacks unti…
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Medium 4.3
Possible remote DOS in WebApps
The unity-firefox-extension package could be tricked into destroying the Unity webapps context, causing Firefox to crash. This could be achieved by spinning the event loop inside the webapps initialization callback. Fixed in 3.0.0+14.04.20140416-0ubuntu1.14.0…
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Medium 6.3
DCCP CCID structure use-after-free
Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, …
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Medium 5.5
Insecure crypto for storing passwords
In crypt.c of remote-login-service, the cryptographic algorithm used to cache usernames and passwords is insecure. An attacker could use this vulnerability to recover usernames and passwords from the file. This issue affects version 1.0.0-0ubuntu3 and prior v…
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Medium 5.7
apt integer wraparound
APT had several integer overflows and underflows while parsing .deb packages, aka GHSL-2020-168 GHSL-2020-169, in files apt-pkg/contrib/extracttar.cc, apt-pkg/deb/debfile.cc, and apt-pkg/contrib/arfile.cc. This issue affects: apt 1.2.32ubuntu0 versions prior …
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Low 2.0
Various memory and file descriptor leaks in apt-python
Various memory and file descriptor leaks were found in apt-python files python/arfile.cc, python/tag.cc, python/tarfile.cc, aka GHSL-2020-170. This issue affects: python-apt 1.1.0~beta1 versions prior to 1.1.0~beta1ubuntu0.16.04.10; 1.6.5ubuntu0 versions prio…
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Unscored —
aptdaemon performed policykit permissions checks too late
Aptdaemon performed policykit checks after interacting with potentially untrusted files with elevated privileges. This affected versions prior to 1.1.1+bzr982-0ubuntu34.1, 1.1.1+bzr982-0ubuntu32.3, 1.1.1+bzr982-0ubuntu19.5, 1.1.1+bzr982-0ubuntu14.5.
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Low 3.8
Aptdaemon error messages disclosed file existence to unprivileged users via dbus properties
The aptdaemon DBus interface disclosed file existence disclosure by setting Terminal/DebconfSocket properties, aka GHSL-2020-192 and GHSL-2020-196. This affected versions prior to 1.1.1+bzr982-0ubuntu34.1, 1.1.1+bzr982-0ubuntu32.3, 1.1.1+bzr982-0ubuntu19.5, 1…
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Medium 6.8
snapcraft may build snaps with incorrect LD_LIBRARY_PATH
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 snapcra…
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Medium 4.4
Bypass of snapd pulseaudio restrictions
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 prope…
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Medium 6.8
software-properties incorrectly validated TLS certificates
software-properties was vulnerable to a person-in-the-middle attack due to incorrect TLS certificate validation in softwareproperties/ppa.py. software-properties didn't check TLS certificates under python2 and only checked certificates under python3 if a vali…
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Medium 5.3
Potential double-free in pulseaudio
Potential double free in Bluez 5 module of PulseAudio could allow a local attacker to leak memory or crash the program. The modargs variable may be freed twice in the fail condition in src/modules/bluetooth/module-bluez5-device.c and src/modules/bluetooth/mod…
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Medium 4.0
aptdaemon allows unprivileged users to test for the presence of local files via the transaction Locale property
There is no input validation on the Locale property in an apt transaction. An unprivileged user can supply a full path to a writable directory, which lets aptd read a file as root. Having a symlink in place results in an error message if the file exists, and …
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Low 3.8
Insecure temp file usage in Ubuntu UI toolkit
On desktop, Ubuntu UI Toolkit's StateSaver would serialise data on tmp/ files which an attacker could use to expose potentially sensitive data. StateSaver would also open files without the O_EXCL flag. An attacker could exploit this to launch a symlink attack…
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Unscored —
add-apt-repository print ASNI terminal codes
Versions of add-apt-repository before 0.98.9.2, 0.96.24.32.14, 0.96.20.10, and 0.92.37.8ubuntu0.1~esm1, printed a PPA (personal package archive) description to the terminal as-is, which allowed PPA owners to provide ANSI terminal escapes to modify terminal co…
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Medium 5.5
pppd arbitrary file read information disclosure vulnerability
The modprobe child process in the ./debian/patches/load_ppp_generic_if_needed patch file incorrectly handled module loading. A local non-root attacker could exploit the MODPROBE_OPTIONS environment variable to read arbitrary root files. Fixed in 2.4.5-5ubuntu…
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High 7.0
TOCTOU in apport
TOCTOU Race Condition vulnerability in apport allows a local attacker to escalate privileges and execute arbitrary code. An attacker may exit the crashed process and exploit PID recycling to spawn a root process with the same PID as the crashed process, which…
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Medium 5.5
Unhandled exception in apport
An unhandled exception in check_ignored() in apport/report.py can be exploited by a local attacker to cause a denial of service. If the mtime attribute is a string value in apport-ignore.xml, it will trigger an unhandled exception, resulting in a crash. Fixed…
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Medium 5.5
Resource exhaustion vulnerability in whoopsie
In whoopsie, parse_report() from whoopsie.c allows a local attacker to cause a denial of service via a crafted file. The DoS is caused by resource exhaustion due to a memory leak. Fixed in 0.2.52.5ubuntu0.5, 0.2.62ubuntu0.5 and 0.2.69ubuntu0.1.