Bug 1707368 (CVE-2019-11577)

Summary:	CVE-2019-11577 dhcpcd: buffer overflow in dhcp6_findna in dhcp6.c
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	code
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	dhcpcd 7.2.1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:55:11 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:	1707370
Bug Blocks:

Description Dhananjay Arunesh 2019-05-07 11:41:55 UTC

dhcpcd before 7.2.1 contains a buffer overflow in dhcp6_findna in dhcp6.c when
reading NA/TA addresses.

Reference:
https://roy.marples.name/archives/dhcpcd-discuss/0002415.html

Upstream commit:
https://roy.marples.name/cgit/dhcpcd.git/commit/?id=8d11b33f6c60e2db257130fa383ba76b6018bcf6

Comment 1 Dhananjay Arunesh 2019-05-07 11:42:07 UTC

Created dhcpcd tracking bugs for this issue:

Affects: fedora-all [bug 1707370]

Comment 2 Product Security DevOps Team 2019-06-10 10:55:11 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.