Bug 1468584 (CVE-2017-7529)

Summary:	CVE-2017-7529 nginx: Integer overflow in nginx range filter module leading to memory disclosure
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	affix, athmanem, bperkins, hhorak, jeremy, jkaluza, jorton, luhliari, pavel.lisy, peter.borsa, security-response-team, tadej.j, webstack-team, wtogami
Target Milestone:	---	Keywords:	Reopened, Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	nginx 1.13.3, nginx 1.12.1	Doc Type:	If docs needed, set a value
Doc Text:	A flaw within the processing of ranged HTTP requests has been discovered in the range filter module of nginx. A remote attacker could possibly exploit this flaw to disclose parts of the cache file header, or, if used in combination with third party modules, disclose potentially sensitive memory by sending specially crafted HTTP requests.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-08-29 09:03:02 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:	1469924, 1469925, 1470042, 1483886, 1483887
Bug Blocks:	1468586

Description Adam Mariš 2017-07-07 12:56:45 UTC

An integer overflow vunlerability in nginx range filter module in  ngx_http_range_parse() function was found, potentially resulting in memory disclosure when used with 3rd party modules. Issue can be triggered by specially crafted http range request resulting into leaking the content of the cache file header.

Comment 1 Adam Mariš 2017-07-07 12:56:52 UTC

Acknowledgments:

Name: the Nginx project

Comment 2 Stefan Cornelius 2017-07-12 05:47:41 UTC

Patch:
https://nginx.org/download/patch.2017.ranges.txt

Comment 3 Stefan Cornelius 2017-07-12 05:47:51 UTC

Upstream advisory:

External References:

http://mailman.nginx.org/pipermail/nginx-announce/2017/000200.html

Comment 4 Stefan Cornelius 2017-07-12 05:48:19 UTC

Created nginx tracking bugs for this issue:

Affects: epel-all [bug 1469925]
Affects: fedora-all [bug 1469924]

Comment 6 Stefan Cornelius 2017-07-17 14:50:36 UTC

Statement:

Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

Comment 8 errata-xmlrpc 2017-08-28 22:00:00 UTC

This issue has been addressed in the following products:

  Red Hat Software Collections for Red Hat Enterprise Linux 6
  Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7
  Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS

Via RHSA-2017:2538 https://access.redhat.com/errata/RHSA-2017:2538