Bug 1177254 (CVE-2014-9756)

Summary:	libsndfile: division by zero leading to denial of service in psf_fwrite()
Product:	[Other] Security Response	Reporter:	Vasyl Kaigorodov <vkaigoro>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	andreas, jrusnack, mhlavink
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2015-01-09 17:16:18 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:	1178842, 1178843
Bug Blocks:	1177255, 1277910

Description Vasyl Kaigorodov 2014-12-25 12:22:09 UTC

A divide-by-zero may occur in libsndfile, resulting in an application crash.
Upstream commit that fixes this issue:
https://github.com/erikd/libsndfile/commit/725c7dbb95bfaf8b4bb7b04820e3a00cceea9ce6950933

Comment 1 Michal Hlavinka 2015-01-02 07:42:10 UTC

Is there any reproducer to test this?

Also the link above gives me 404 error.

Comment 2 Vasyl Kaigorodov 2015-01-05 09:26:12 UTC

(In reply to Michal Hlavinka from comment #1)
> Is there any reproducer to test this?

Unfortunately I'm not aware of any, here is the corresponding upstream bug report, hope it gives a clue:

https://github.com/erikd/libsndfile/issues/92

> Also the link above gives me 404 error.

Oops, something went wrong, the correct link is:
https://github.com/erikd/libsndfile/commit/725c7dbb95bfaf8b4bb7b04820e3a00cceea9ce6

Comment 3 Vasyl Kaigorodov 2015-01-05 14:35:11 UTC

Created libsndfile tracking bugs for this issue:

Affects: fedora-all [bug 1178842]
Affects: epel-5 [bug 1178843]

Comment 5 Fedora Update System 2015-01-20 21:00:25 UTC

libsndfile-1.0.25-9.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 6 Fedora Update System 2015-01-21 23:06:29 UTC

libsndfile-1.0.25-14.fc21 has been pushed to the Fedora 21 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 7 Stefan Cornelius 2015-11-06 12:03:05 UTC

*** Bug 1277941 has been marked as a duplicate of this bug. ***