Bug 1650186 (CVE-2018-19278)

Summary:	CVE-2018-19278 asterisk: Buffer overflow in the DNS SRV and NAPTR lookups
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:	bennie.joubert, itamar, jsmith.fedora, rbryant
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	asterisk 15.6.2, asterisk 16.0.1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:42:44 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:	1650187, 1650188
Bug Blocks:

Description Andrej Nemec 2018-11-15 14:37:29 UTC

There is a buffer overflow vulnerability in dns_srv and dns_naptr functions of Asterisk that allows an attacker to crash Asterisk via a specially crafted DNS SRV or NAPTR response.  The attacker’s request causes Asterisk to segfault and crash.

External References:

http://downloads.asterisk.org/pub/security/AST-2018-010.html

Comment 1 Andrej Nemec 2018-11-15 14:37:57 UTC

Created asterisk tracking bugs for this issue:

Affects: epel-6 [bug 1650188]
Affects: fedora-all [bug 1650187]

Comment 2 Product Security DevOps Team 2019-06-10 10:42:44 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.