Bug 1591944 (CVE-2018-12034)

Summary:	CVE-2018-12034 yara: out of bounds read in yr_execute_code in libyara/exec.c.
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	rebus
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 10:29:26 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:	1591947, 1591948
Bug Blocks:

Description Laura Pardo 2018-06-15 20:19:10 UTC

A flaw was found in YARA 3.7.1 and prior, parsing a specially crafted compiled rule file can cause an out of bounds read vulnerability in yr_execute_code in libyara/exec.c.


References:
https://bnbdr.github.io/posts/swisscheese/ 	
https://github.com/bnbdr/swisscheese 	
https://github.com/VirusTotal/yara/issues/891

Comment 1 Laura Pardo 2018-06-15 20:20:42 UTC

Created yara tracking bugs for this issue:

Affects: epel-all [bug 1591947]
Affects: fedora-all [bug 1591948]

Comment 2 Product Security DevOps Team 2019-06-10 10:29:26 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.