Bug 1516414 (CVE-2017-16762)

Summary:	CVE-2017-16762 sanic: Directory traversal in def _handler function sanic/sanic/static.py
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	ignatenko
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:	2017-11-23 09:30:47 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:	1516416
Bug Blocks:

Description Pedro Sampaio 2017-11-22 15:10:23 UTC

Sanic before 0.5.1 allows reading arbitrary files with directory traversal, as demonstrated by the /static/..%2f substring. 

Upstream bug:

https://github.com/channelcat/sanic/issues/633

Upstream patch:

https://github.com/channelcat/sanic/releases/tag/0.5.1

Comment 1 Pedro Sampaio 2017-11-22 15:11:13 UTC

Created python-sanic tracking bugs for this issue:

Affects: fedora-all [bug 1516416]