Bug 1311994 (CVE-2015-5727)

Summary:	CVE-2015-5727 botan: excess memory allocation in BER decoder
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WORKSFORME	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	thomas.moschny
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	botan 1.11.19, botan 1.10.10	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-01-30 09:50:47 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:

Description Andrej Nemec 2016-02-25 13:10:43 UTC

The BER decoder would allocate a fairly arbitrary amount of memory in a length field, even if there was no chance the read request would succeed. This might cause the process to run out of memory or invoke the OOM killer.

External references:

http://botan.randombit.net/security.html

Comment 1 Thomas Moschny 2016-04-29 18:27:25 UTC

CVE-2015-5727 has been fixed in 1.8.15 and 1.10.10.

As of today, we have:

   el5: botan-1.8.15-1
   el6: botan-1.8.15-1
 epel7: botan-1.10.12-1
   f22: botan-1.10.12-1
   f23: botan-1.10.12-1
   f24: botan-1.10.12-1
master: botan-1.10.12-1

So this bug can be closed imho.