Bug 1651946 (CVE-2018-19198)

Summary:	CVE-2018-19198 uriparser: Out-of-bounds write via uriComposeQuery* or uriComposeQueryEx* function
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	contribs, huzaifas, jkucera, manisandro, rakesh.pandit
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	uriparser 0.9.0	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-08-06 19:20:13 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:	1651951, 1652002
Bug Blocks:	1651950

Description Andrej Nemec 2018-11-21 09:40:22 UTC

An issue was discovered in uriparser before 0.9.0. UriQuery.c allows an out-of-bounds write via a uriComposeQuery* or uriComposeQueryEx* function because the '&' character is mishandled in certain contexts.

References:

https://github.com/uriparser/uriparser/blob/uriparser-0.9.0/ChangeLog

Upstream patch:

https://github.com/uriparser/uriparser/commit/864f5d4c127def386dd5cc926ad96934b297f04e

Comment 1 Andrej Nemec 2018-11-21 09:44:37 UTC

Created uriparser tracking bugs for this issue:

Affects: fedora-all [bug 1651951]

Comment 3 Stefan Cornelius 2018-11-21 11:43:41 UTC

Statement:

This issue affects the versions of uriparser as shipped with Red Hat Enterprise Linux 7.

Comment 5 errata-xmlrpc 2019-08-06 12:35:14 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2280 https://access.redhat.com/errata/RHSA-2019:2280

Comment 6 Product Security DevOps Team 2019-08-06 19:20:13 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2018-19198