CVE-2016-8687

Apple Security Advisory 2017-01-23-4

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Desbordamiento de búfer basado en pila en la función safe_fprintf en tar/util.c en libarchive 3.2.1 permite a atacantes remotos provocar una denegación de servicio a través de un carácter multibyte manipulado no imprimible en un nombre de archivo.

It was discovered that libarchive incorrectly handled hardlink entries when extracting archives. A remote attacker could possibly use this issue to overwrite arbitrary files. Christian Wressnegger, Alwin Maier, and Fabian Yamaguchi discovered that libarchive incorrectly handled filename lengths when writing ISO9660 archives. A remote attacker could use this issue to cause libarchive to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. Various other issues were also addressed.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-10-15 CVE Reserved
2017-01-02 CVE Published
2024-08-06 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (9)

URL	Tag	Source
http://www.securityfocus.com/bid/93781	Third Party Advisory
http://www.securitytracker.com/id/1037668	Vdb Entry
https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html	Mailing List

URL	Date	SRC

URL	Date	SRC
http://www.openwall.com/lists/oss-security/2016/10/16/11	2018-11-30
https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-stack-based-buffer-overflow-in-bsdtar_expand_char-util-c	2018-11-30
https://bugzilla.redhat.com/show_bug.cgi?id=1377926	2018-11-30
https://github.com/libarchive/libarchive/commit/e37b620fe8f14535d737e89a4dcabaed4517bf1a	2018-11-30
https://security.gentoo.org/glsa/201701-03	2018-11-30

URL	Date	SRC
http://lists.opensuse.org/opensuse-updates/2016-12/msg00027.html	2018-11-30

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Libarchive Search vendor "Libarchive"		Libarchive Search vendor "Libarchive" for product "Libarchive"				3.2.1 Search vendor "Libarchive" for product "Libarchive" and version "3.2.1"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				42.2 Search vendor "Opensuse" for product "Leap" and version "42.2"		-		Affected