5.5
MEDIUM
CVE-2016-4679
Apple libarchive Symlink Path Writing Vulnerability
Description

An issue was discovered in certain Apple products. iOS before 10.1 is affected. macOS before 10.12.1 is affected. tvOS before 10.0.1 is affected. watchOS before 3.1 is affected. The issue involves the "libarchive" component, which allows remote attackers to write to arbitrary files via a crafted archive containing a symlink.

INFO

Published Date :

Feb. 20, 2017, 8:59 a.m.

Last Modified :

March 22, 2019, 7:56 p.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2016-4679 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apple mac_os_x
2 Apple iphone_os
3 Apple tvos
4 Apple watchos
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2016-4679.

URL Resource
http://www.securityfocus.com/bid/93849 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037086 Third Party Advisory VDB Entry
https://support.apple.com/HT207269 Vendor Advisory
https://support.apple.com/HT207270 Vendor Advisory
https://support.apple.com/HT207271 Vendor Advisory
https://support.apple.com/HT207275 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-4679 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2016-4679 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Mar. 22, 2019

    Action Type Old Value New Value
    Changed Reference Type http://www.securitytracker.com/id/1037086 No Types Assigned http://www.securitytracker.com/id/1037086 Third Party Advisory, VDB Entry
    Changed CPE Configuration OR *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (including) 10.0.3 OR *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 10.1
    Changed CPE Configuration OR *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions up to (including) 10.12.0 OR *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions up to (excluding) 10.12.1
    Changed CPE Configuration OR *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (including) 10.0 OR *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 10.0.1
    Changed CPE Configuration OR *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (including) 2.2.2 OR *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 3.1
  • CPE Deprecation Remap by [email protected]

    Mar. 08, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:apple:apple_tv:*:*:*:*:*:*:*:* versions from (including) 10.0.0 OR *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions from (including) 10.0.0
  • CPE Deprecation Remap by [email protected]

    Oct. 30, 2018

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:apple:watch_os:*:*:*:*:*:*:*:* versions from (including) 3.0.0 OR *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions from (including) 2.2.2
  • CVE Modified by [email protected]

    Jul. 29, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1037086 [No Types Assigned]
  • Initial Analysis by [email protected]

    Feb. 21, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
    Added CVSS V3 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
    Changed Reference Type https://support.apple.com/HT207275 No Types Assigned https://support.apple.com/HT207275 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT207271 No Types Assigned https://support.apple.com/HT207271 Vendor Advisory
    Changed Reference Type http://www.securityfocus.com/bid/93849 No Types Assigned http://www.securityfocus.com/bid/93849 Third Party Advisory, VDB Entry
    Changed Reference Type https://support.apple.com/HT207270 No Types Assigned https://support.apple.com/HT207270 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT207269 No Types Assigned https://support.apple.com/HT207269 Vendor Advisory
    Added CWE CWE-59
    Added CPE Configuration OR *cpe:2.3:o:apple:iphone_os:10.0.3:*:*:*:*:*:*:* (and previous)
    Added CPE Configuration OR *cpe:2.3:o:apple:mac_os_x:10.12.0:*:*:*:*:*:*:* (and previous)
    Added CPE Configuration OR *cpe:2.3:o:apple:apple_tv:10.0.0:*:*:*:*:*:*:* (and previous)
    Added CPE Configuration OR *cpe:2.3:o:apple:watch_os:3.0.0:*:*:*:*:*:*:* (and previous)
  • CVE Modified by [email protected]

    Feb. 21, 2017

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/93849 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-4679 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2016-4679 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.62 }} 0.09%

score

0.76082

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability