Bug 1385659

Summary:	libarchive: Stack based buffer overflow in bsdtar_expand_char
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED DUPLICATE	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	anto.trande, besser82, dmoppert, mike, ndevos, praiskup, trepik
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:	2016-10-18 04:30:54 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:	1378666, 1385673
Bug Blocks:	1385672

Description Adam Mariš 2016-10-17 13:02:19 UTC

Stack based buffer overflow vulnerability was found in bsdtar_expand_char in util.c by invoking bsdtar on crafted file. It occurs when trying to format a non-printable multibyte character that overflows 20-byte buffer in safe_fprintf.

Upstream patch:

https://github.com/libarchive/libarchive/commit/e37b620fe8f14535d737e89a4dcabaed4517bf1a

CVE assignment:

http://seclists.org/oss-sec/2016/q4/152

Comment 1 Adam Mariš 2016-10-17 13:24:42 UTC

Created libarchive3 tracking bugs for this issue:

Affects: epel-6 [bug 1385676]

Comment 2 Adam Mariš 2016-10-17 13:24:49 UTC

Created mingw-libarchive tracking bugs for this issue:

Affects: fedora-all [bug 1385674]

Comment 3 Adam Mariš 2016-10-17 13:24:56 UTC

Created libarchive tracking bugs for this issue:

Affects: fedora-all [bug 1385673]
Affects: epel-5 [bug 1385675]

Comment 4 Doran Moppert 2016-10-18 04:30:54 UTC


*** This bug has been marked as a duplicate of bug 1377926 ***