Bug 1595611 (CVE-2018-1000500)

Summary:	CVE-2018-1000500 busybox: wget: Missing SSL certificate validation
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	admiller, athmanem, dvlasenk
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-06-28 07:27:04 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1595680
Bug Blocks:	1595598

Description Andrej Nemec 2018-06-27 08:21:07 UTC

It was found that the internal TLS code in wget does not implement validation of the server's certificate.

References:

http://lists.busybox.net/pipermail/busybox/2018-May/086444.html
https://git.busybox.net/busybox/tree/networking/wget.c?id=8bc418f07eab79a9c8d26594629799f6157a9466#n74

Comment 1 Andrej Nemec 2018-06-27 08:21:33 UTC

Created wget tracking bugs for this issue:

Affects: fedora-all [bug 1595612]

Comment 3 Andrej Nemec 2018-06-27 10:58:11 UTC

Created busybox tracking bugs for this issue:

Affects: fedora-all [bug 1595680]

Comment 4 Tomas Hoger 2018-06-28 07:27:04 UTC

The support for https in busybox's wget was first added in version 1.23.0.  The version of busybox in Red Hat Enterprise Linux 6 and earlier are based on older upstream busybox versions and do not support https at all.

Comment 5 Tomas Hoger 2020-05-26 20:48:07 UTC

Upstream fix:

https://git.busybox.net/busybox/commit/?id=45fa3f18adf57ef9d743038743d9c90573aeeb91