CVE-2018-1000500

Publication date 26 June 2018

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.1 · High

Score breakdown

Description

Busybox contains a Missing SSL certificate validation vulnerability in The "busybox wget" applet that can result in arbitrary code execution. This attack appear to be exploitable via Simply download any file over HTTPS using "busybox wget https://compromised-domain.com/important-file".

Read the notes from the security team

Status

Package Ubuntu Release Status
busybox 20.04 LTS focal
Fixed 1:1.30.1-4ubuntu6.2
19.10 eoan Ignored end of life
19.04 disco Ignored end of life
18.10 cosmic Ignored end of life
18.04 LTS bionic
Fixed 1:1.27.2-2ubuntu3.3
17.10 artful Ignored end of life
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes

mdeslaur

per Red Hat, SSL support was added in 1.23.0. Older versions don't support https at all.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
busybox

Severity score breakdown

CVSS version: CVSS v3.0

Base score 8.1 · High

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-4531-1
    • BusyBox vulnerability
    • 22 September 2020

Other references

Access our resources on patching vulnerabilities