Bug 1524334 (CVE-2017-17459)

Summary:	CVE-2017-17459 fossil: Command injection via malicious ssh URLs
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	divya.hariomtatsat
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	fossil 2.4	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 03:33:00 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:	1524335
Bug Blocks:

Description Andrej Nemec 2017-12-11 09:45:07 UTC

http_transport.c in Fossil before 2.4, when the SSH sync protocol is used, allows user-assisted remote attackers to execute arbitrary commands via an ssh URL with an initial dash character in the hostname.

Upstream patch:

https://www.fossil-scm.org/xfer/info/1f63db591c77108c

References:

https://www.fossil-scm.org/xfer/doc/trunk/www/changes.wiki#v2_4
http://blog.recurity-labs.com/2017-08-10/scm-vulns

Comment 1 Andrej Nemec 2017-12-11 09:45:37 UTC

Created fossil tracking bugs for this issue:

Affects: fedora-all [bug 1524335]

Comment 2 Product Security DevOps Team 2019-06-08 03:33:00 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.