National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-8688 Detail

Current Description

The mtree bidder in libarchive 3.2.1 does not keep track of line sizes when extending the read-ahead, which allows remote attackers to cause a denial of service (crash) via a crafted file, which triggers an invalid read in the (1) detect_form or (2) bid_entry function in libarchive/archive_read_support_format_mtree.c.

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

Quick Info

CVE Dictionary Entry:
CVE-2016-8688
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:
5.5 Medium
Vector:
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (legend)
Impact Score:
3.6
Exploitability Score:
1.8
CVSS Version 3 Metrics:
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.3 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector:
Network exploitable - Victim must voluntarily interact with attack mechanism
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

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-bid_entry-archive_read_support_format_mtree-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-bid_entry-archive_read_support_format_mtree-c/
https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-heap-based-buffer-overflow-in-detect_form-archive_read_support_format_mtree-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-detect_form-archive_read_support_format_mtree-c/
https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-memory-corruptionunknown-crash-in-bid_entry-archive_read_support_format_mtree-c/ Patch; Third Party Advisory; VDB Entry External Source MISC https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-memory-corruptionunknown-crash-in-bid_entry-archive_read_support_format_mtree-c/
https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-use-after-free-in-bid_entry-archive_read_support_format_mtree-c/ Patch; Third Party Advisory; VDB Entry External Source MISC https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-use-after-free-in-bid_entry-archive_read_support_format_mtree-c/
https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-use-after-free-in-detect_form-archive_read_support_format_mtree-c/ Patch; Third Party Advisory; VDB Entry External Source MISC https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-use-after-free-in-detect_form-archive_read_support_format_mtree-c/
https://bugzilla.redhat.com/show_bug.cgi?id=1377923 Issue Tracking; Patch External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1377923
https://github.com/libarchive/libarchive/commit/eec077f52bfa2d3f7103b4b74d52572ba8a15aca Issue Tracking; Patch; Third Party Advisory External Source CONFIRM https://github.com/libarchive/libarchive/commit/eec077f52bfa2d3f7103b4b74d52572ba8a15aca
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