Bug 1646412 (CVE-2018-18409)

Summary:	CVE-2018-18409 tcpflow: stack-based buffer over-read exists in setbit() at iptree.h
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	jtfas90, terje.rosten
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:	2019-06-10 10:41:47 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:	1646413, 1646414
Bug Blocks:

Description Laura Pardo 2018-11-05 14:25:02 UTC

A stack-based buffer over-read exists in setbit() at iptree.h of TCPFLOW 1.5.0, due to received incorrect values causing incorrect computation, leading to denial of service during an address_histogram call or a get_histogram call. 


References:
https://github.com/simsong/tcpflow/issues/195

Upstream Patch:
https://github.com/simsong/tcpflow/commit/89c04b4fb0e46b3c4f1388686e83966e531cbea9

Comment 1 Laura Pardo 2018-11-05 14:25:31 UTC

Created tcpflow tracking bugs for this issue:

Affects: epel-7 [bug 1646414]
Affects: fedora-all [bug 1646413]

Comment 2 Product Security DevOps Team 2019-06-10 10:41:47 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.