Bug 1347085 – CVE-2016-6250 libarchive: Buffer overflow when writing large iso9660 containers

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Bug 1347085 - (CVE-2016-6250) CVE-2016-6250 libarchive: Buffer overflow when writing large iso9660 containers

Summary:	CVE-2016-6250 libarchive: Buffer overflow when writing large iso9660 containers

Status:	CLOSED ERRATA

Aliases:	CVE-2016-6250

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=low,public=20160529,reported=2...
Keywords:	Security

Duplicates:	1358366 (view as bug list)
Depends On:	1352776 1353065 1353066
Blocks:	1334215
	Show dependency tree / graph

Reported:	2016-06-15 22:30 EDT by Doran Moppert
Modified:	2016-11-08 11:26 EST (History)
CC List:	5 users (show)

See Also:
Fixed In Version:	libarchive 3.2.1
Doc Type:	Bug Fix
Doc Text:	A vulnerability was found in libarchive. An attempt to create an ISO9660 volume with 2GB or 4GB filenames could cause the application to crash.
Story Points:	---
Clone Of:
Environment:
Last Closed:	2016-10-18 00:56:46 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
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External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2016:1844	normal	SHIPPED_LIVE	Important: libarchive security update	2016-09-12 20:11:35 EDT

Groups: None (edit)

Description Doran Moppert 2016-06-15 22:30:03 EDT

The ISO9660 writer is subject to integer overflows when verifying the
filename size. This can lead to a crash when writing ISO9660 images with
2GB or 4GB filenames.

External references:
    https://github.com/libarchive/libarchive/files/295073/libarchiveOverflow.txt    https://github.com/libarchive/libarchive/issues/711

Upstream fix:
    https://github.com/libarchive/libarchive/commit/3014e198

Comment 2 Doran Moppert 2016-07-05 00:36:45 EDT

Created libarchive tracking bugs for this issue:

Affects: fedora-all [bug 1352776]

Comment 6 Adam Mariš 2016-07-21 09:37:45 EDT

*** Bug 1358366 has been marked as a duplicate of this bug. ***

Comment 7 Adam Mariš 2016-07-21 09:40:37 EDT

CVE request:

http://seclists.org/oss-sec/2016/q3/114

Comment 8 errata-xmlrpc 2016-09-12 16:13:07 EDT

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2016:1844 https://rhn.redhat.com/errata/RHSA-2016-1844.html

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