8.8
HIGH CVSS 3.0
CVE-2016-4631
Apple ImageIO TIFF File Parsing Remote Code Execution Vulnerability
Description

ImageIO in Apple iOS before 9.3.3, OS X before 10.11.6, tvOS before 9.2.2, and watchOS before 2.2.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted TIFF file.

INFO

Published Date :

July 22, 2016, 2:59 a.m.

Last Modified :

April 12, 2025, 10:46 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2016-4631 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
: Total Affected Vendor : 1 | Products : 4
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.0 HIGH [email protected]
Solution
Follow the instructions below to mitigate the CVE-2016-4631 vulnerability.
Upgrade to Mac OS X 10.11.6 or later.
Public PoC/Exploit Available at Github

CVE-2016-4631 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

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-2016-4631.

URL Resource
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html Mailing List Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html Mailing List Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html Mailing List Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html Mailing List Vendor Advisory
http://www.securityfocus.com/bid/91834 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036344 Third Party Advisory VDB Entry
http://www.talosintelligence.com/reports/TALOS-2016-0171/ Third Party Advisory
https://support.apple.com/HT206902 Vendor Advisory
https://support.apple.com/HT206903 Vendor Advisory
https://support.apple.com/HT206904 Vendor Advisory
https://support.apple.com/HT206905 Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html Mailing List Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html Mailing List Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html Mailing List Vendor Advisory
http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html Mailing List Vendor Advisory
http://www.securityfocus.com/bid/91834 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036344 Third Party Advisory VDB Entry
http://www.talosintelligence.com/reports/TALOS-2016-0171/ Third Party Advisory
https://support.apple.com/HT206902 Vendor Advisory
https://support.apple.com/HT206903 Vendor Advisory
https://support.apple.com/HT206904 Vendor Advisory
https://support.apple.com/HT206905 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-4631 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-2016-4631 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation

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).

Profile Photo
l3onkers/FuxiOS

🎯 FuxiOS.py v2.0 - CVE-2016-4631 Exploit PoC modernizado

Python

Updated: 2 weeks, 6 days ago
0 stars 0 fork 0 watcher
Born at : July 31, 2025, 5:36 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
nfiniteecho/Matthew-Sutton-Portfolio

Example Cybersecurity work by Matthew Sutton

Updated: 1 year, 3 months ago
1 stars 0 fork 0 watcher
Born at : Oct. 30, 2017, 10:34 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
hansnielsen/tiffdisabler

Disables ImageIO TIFF support to protect against CVE-2016-4631

Makefile Logos

Updated: 6 years, 11 months ago
10 stars 1 fork 1 watcher
Born at : July 20, 2016, 6:47 a.m. This repo has been linked 1 different CVEs too.

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

The following list is the news that have been mention CVE-2016-4631 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2016-4631 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html
    Added Reference http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html
    Added Reference http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html
    Added Reference http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html
    Added Reference http://www.securityfocus.com/bid/91834
    Added Reference http://www.securitytracker.com/id/1036344
    Added Reference http://www.talosintelligence.com/reports/TALOS-2016-0171/
    Added Reference https://support.apple.com/HT206902
    Added Reference https://support.apple.com/HT206903
    Added Reference https://support.apple.com/HT206904
    Added Reference https://support.apple.com/HT206905
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Mar. 25, 2019

    Action Type Old Value New Value
    Changed Reference Type http://www.securityfocus.com/bid/91834 No Types Assigned http://www.securityfocus.com/bid/91834 Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securitytracker.com/id/1036344 No Types Assigned http://www.securitytracker.com/id/1036344 Third Party Advisory, VDB Entry
    Changed CPE Configuration OR *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (including) 9.3.2 *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions up to (including) 10.11.5 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (including) 9.2.1 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (including) 2.2.1 OR *cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* versions up to (excluding) 9.3.3 *cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* versions up to (excluding) 10.11.6 *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions up to (excluding) 9.2.2 *cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* versions up to (excluding) 2.2.2
  • 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) 9.2.1 OR *cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* versions from (including) 9.2.1
  • CVE Modified by [email protected]

    Sep. 01, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1036344 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/91834 [No Types Assigned]
  • Modified Analysis by [email protected]

    Jul. 28, 2016

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:o:apple:apple_tv:9.2.1:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:iphone_os:9.3.2:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:mac_os_x:10.11.5:*:*:*:*:*:*:* (and previous) *cpe:2.3:o:apple:watchos:2.2.1:*:*:*:*:*:*:* (and previous)
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html No Types Assigned http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html Mailing List, Vendor Advisory
    Changed Reference Type http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html No Types Assigned http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html Mailing List, Vendor Advisory
    Changed Reference Type https://support.apple.com/HT206905 No Types Assigned https://support.apple.com/HT206905 Vendor Advisory
    Changed Reference Type http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html No Types Assigned http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html Mailing List, Vendor Advisory
    Changed Reference Type https://support.apple.com/HT206903 No Types Assigned https://support.apple.com/HT206903 Vendor Advisory
    Changed Reference Type http://www.talosintelligence.com/reports/TALOS-2016-0171/ No Types Assigned http://www.talosintelligence.com/reports/TALOS-2016-0171/ Third Party Advisory
    Changed Reference Type http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html No Types Assigned http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html Mailing List, Vendor Advisory
    Changed Reference Type https://support.apple.com/HT206904 No Types Assigned https://support.apple.com/HT206904 Vendor Advisory
    Changed Reference Type https://support.apple.com/HT206902 No Types Assigned https://support.apple.com/HT206902 Vendor Advisory
    Added CWE CWE-119
  • Initial Analysis by [email protected]

    Jul. 28, 2016

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

    Jul. 26, 2016

    Action Type Old Value New Value
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.
Vulnerability Scoring Details
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 6.8
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

3.74 }} -0.26%

score

0.87434

percentile