Bug 1451256 (CVE-2017-8911)

Summary:	CVE-2017-8911 tnef: Integer underflow in unicode_to_utf8
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	dtimms, fedora
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:	2018-10-08 13:29:10 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:	1451258, 1451259
Bug Blocks:

Description Adam Mariš 2017-05-16 08:45:30 UTC

An integer underflow has been identified in the unicode_to_utf8() function in tnef 1.4.14. This might lead to invalid write operations, controlled by an attacker.

Upstream bug:

https://github.com/verdammelt/tnef/issues/23

Comment 1 Adam Mariš 2017-05-16 08:46:22 UTC

Created tnef tracking bugs for this issue:

Affects: epel-all [bug 1451259]
Affects: fedora-all [bug 1451258]

Comment 2 Christian Stadelmann 2018-10-08 12:26:38 UTC

If all the tracking bugs have been closed, shouldn't this bug report be closed too?

Comment 3 Adam Mariš 2018-10-08 13:29:10 UTC

In reply to comment #2:
> If all the tracking bugs have been closed, shouldn't this bug report be
> closed too?

Yes, I'll close it, thanks for notice.