Bug 1654232 (CVE-2018-16855)

Summary:	CVE-2018-16855 pdns-recursor: Out-of-bounds read with crafted DNS queries
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	ruben, sander
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	pdns-recursor 4.1.8	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:43:21 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:	1654233, 1654234
Bug Blocks:

Description Andrej Nemec 2018-11-28 10:09:22 UTC

 An issue has been found in PowerDNS Recursor where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packet cache lookup, possibly leading to a crash.

External References:

https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html

Comment 1 Andrej Nemec 2018-11-28 10:09:37 UTC

Created pdns-recursor tracking bugs for this issue:

Affects: epel-all [bug 1654233]

Comment 2 Andrej Nemec 2018-11-28 10:10:16 UTC

Created pdns-recursor tracking bugs for this issue:

Affects: fedora-all [bug 1654234]

Comment 3 Product Security DevOps Team 2019-06-10 10:43:21 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.