CVE-2016-8687 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-updates/2016-12/msg00027.html http://www.openwall.com/lists/oss-security/2016/10/16/11 http://www.securityfocus.com/bid/93781 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/ https://bugzilla.redhat.com/show_bug.cgi?id=1377926 https://github.com/libarchive/libarchive/commit/e37b620fe8f14535d737e89a4dcabaed4517bf1a https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html https://security.gentoo.org/glsa/201701-03

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5