canonical ubuntu linux 18.04 vulnerabilities and exploits

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2.1

CVSSv2

It exists 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.

Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 20.10 Canonical Ubuntu Linux 21.04 Canonical Ubuntu Linux 21.10

2.1

CVSSv2

It exists 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.

Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 20.10 Canonical Ubuntu Linux 21.04 Canonical Ubuntu Linux 21.10

2.1

CVSSv2

It exists 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.

Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 20.10 Canonical Ubuntu Linux 21.04 Canonical Ubuntu Linux 21.10

2.1

CVSSv2

snapd 2.54.2 and previous versions created ~/snap directories in user home directories without specifying owner-only permissions. This could allow a local malicious user 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...

Canonical Snapd Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 21.10

1 Article

4.6

CVSSv2

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 inten...

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

NA

A privilege escalation attack was found in apport-cli 2.26.0 and previous versions which is similar to CVE-2023-26604. If a system is specially configured to allow unprivileged users to run sudo apport-cli, less is configured as the pager, and the terminal size can be set: a loca...

Canonical Apport Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 22.04 Canonical Ubuntu Linux 22.10

3 Github repositories

10

CVSSv2

Canonical snapd before version 2.37.1 incorrectly performed socket owner validation, allowing an malicious user to run arbitrary commands as root. This issue affects: Canonical snapd versions before 2.37.1.

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

2 EDB exploits8 Github repositories1 Article

5

CVSSv2

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 18.04 Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 18.10

1 EDB exploit

NA

Race condition in snap-confine's must_mkdir_and_open_with_perms()

Canonical Ubuntu Linux 20.04 Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 18.04 Canonical Ubuntu Linux 22.04 Canonical Ubuntu Linux 22.10 Canonical Snapd

1 Github repository

1.9

CVSSv2

An issue exists in the Linux kernel prior to 4.19.3. crypto_report_one() and related functions in crypto/crypto_user.c (the crypto user configuration API) do not fully initialize structures that are copied to userspace, potentially leaking sensitive memory to user programs. NOTE:...

Linux Linux Kernel Canonical Ubuntu Linux 16.04 Canonical Ubuntu Linux 18.10 Canonical Ubuntu Linux 14.04 Canonical Ubuntu Linux 18.04

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