Bug 1663935

Summary:	syslog-ng: Use-after free in affile_dw_reap resulting in a denial of service
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:	jose.p.oliveira.oss, mk, mrunge, peter
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	syslog-ng 3.19.1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:44:46 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:	1663936, 1663937
Bug Blocks:

Description Andrej Nemec 2019-01-07 10:29:29 UTC

A use after free vulnerability was found in syslog-ng before 3.19.1. A crafted file could cause the application to crash.

Upstream issues:

https://github.com/balabit/syslog-ng/pull/2418
https://github.com/balabit/syslog-ng/issues/2454

References:

https://seclists.org/oss-sec/2018/q4/273

Comment 1 Andrej Nemec 2019-01-07 10:29:40 UTC

Created syslog-ng tracking bugs for this issue:

Affects: epel-all [bug 1663937]
Affects: fedora-all [bug 1663936]

Comment 2 Product Security DevOps Team 2019-06-10 10:44:46 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.