CVE-2018-1000500

Publication date 26 June 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

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

Show unmaintained releases

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	Upstream: ?id=097 Upstream: ?id=dbe Upstream: ?id=45f

Severity score breakdown

Parameter	Value
Base score	8.1 · High
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	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