National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-8689 Detail

Current Description

The read_Header function in archive_read_support_format_7zip.c in libarchive 3.2.1 allows remote attackers to cause a denial of service (out-of-bounds read) via multiple EmptyStream attributes in a header in a 7zip archive.

Source:  MITRE      Last Modified:  02/15/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2016-8689
Original release date:
02/15/2017
Last revised:
02/17/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
7.5 High
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (legend)
Impact Score:
3.6
Exploitability Score:
3.9
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://lists.opensuse.org/opensuse-updates/2016-12/msg00027.html Third Party Advisory External Source SUSE openSUSE-SU-2016:3002
http://www.openwall.com/lists/oss-security/2016/10/16/11 Mailing List; Patch; Third Party Advisory External Source MLIST [oss-security] 20161015 Re: Libarchive/bsdtar: multiple crashes
http://www.securityfocus.com/bid/93781 Third Party Advisory; VDB Entry External Source BID 93781
https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-heap-based-buffer-overflow-in-read_header-archive_read_support_format_7zip-c/ Patch; Third Party Advisory; VDB Entry External Source MISC https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-heap-based-buffer-overflow-in-read_header-archive_read_support_format_7zip-c/
https://bugzilla.redhat.com/show_bug.cgi?id=1377925 Issue Tracking; Patch External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1377925
https://github.com/libarchive/libarchive/commit/7f17c791dcfd8c0416e2cd2485b19410e47ef126 Issue Tracking; Patch; Third Party Advisory External Source CONFIRM https://github.com/libarchive/libarchive/commit/7f17c791dcfd8c0416e2cd2485b19410e47ef126
https://security.gentoo.org/glsa/201701-03 Patch; Third Party Advisory; VDB Entry External Source GENTOO GLSA-201701-03

Technical Details

Vulnerability Type (View All)

Change History 2 change records found - show changes