National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2016-8687 Detail

Current Description

Stack-based buffer overflow in the safe_fprintf function in tar/util.c in libarchive 3.2.1 allows remote attackers to cause a denial of service via a crafted non-printable multibyte character in a filename.

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

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 3.9

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 v2.0 Severity and Metrics:

Base Score: 5.0 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0

Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-updates/2016-12/msg00027.html Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/10/16/11 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/93781 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037668
https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-stack-based-buffer-overflow-in-bsdtar_expand_char-util-c/ Patch Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1377926 Issue Tracking Patch
https://github.com/libarchive/libarchive/commit/e37b620fe8f14535d737e89a4dcabaed4517bf1a Issue Tracking Patch Third Party Advisory
https://security.gentoo.org/glsa/201701-03 Patch Third Party Advisory VDB Entry

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:libarchive:libarchive:3.2.1:*:*:*:*:*:*:*
Configuration 2
OR
cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-8687
NVD Published Date:
02/15/2017
NVD Last Modified:
10/30/2018