CVE-2019-7304

Local privilege escalation via snapd socket

High · published April 23, 2019

Patch now

High probability of exploitation

CVSS calls it high at 8.8. It sits in the 99.2th percentile for exploit probability.

CVSS v3.0
8.8
EPSS
61%
Percentile
99.2
In the wild
Unconfirmed
What it is

🚨 A sneaky owner validation flaw in Canonical's snapd can let attackers execute commands as root on systems running versions before 2.37.1! 🔥 Think of it as a pizza shop that delivers your order without checking the payment — anyone could call in and claim to be you, requesting extra toppings they didn’t pay for. In this case, the attacker gets to control the whole kitchen! An attacker could potentially waltz right in, running arbitrary commands with root privileges, which is absolutely devastating! This means they could manipulate files, install malware, or even take complete control of the system, leaving your data vulnerable to their whims.

Put simply

Think of it as a pizza shop that delivers your order without checking the payment — anyone could call in and claim to be you, requesting extra toppings they didn’t pay for. In this case, the attacker gets to control the whole kitchen! The vulnerability in snapd arises from improper socket owner validation. This flaw allows attackers to bypass security measures, enabling them to execute commands with root privileges on affected systems.

What to do

An attacker could potentially waltz right in, running arbitrary commands with root privileges, which is absolutely devastating! This means they could manipulate files, install malware, or even take complete control of the system, leaving your data vulnerable to their whims. To protect your system, immediately upgrade to snapd version 2.37.1 or later. Additionally, conduct a quick security audit to ensure no unauthorized commands have been executed since the vulnerability was discovered. Don't leave your system open to attack! You've got this! Patch your snapd installation, and you'll have a much safer environment in no time. 🛡️

The record
Technical detail
CVSS v3.0
8.8 · HIGH
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.60813 · 99.2th percentile
Published
2019-04-23T15:57Z
EPSS history
Timeline
  • 23 APR 15:57Z
    Local privilege escalation via snapd socket
    cvelistv5