CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.6 | $0-$5k | 0.00 |
A vulnerability was found in Apple macOS 10.12.0 (Operating System) and classified as critical. This issue affects an unknown function of the component ImageIO. The manipulation as part of a PDF Document leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.
The weakness was published 10/24/2016 by Juwei Lin (Shrek_wzw) with Recurity Labs as HT207275 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2016-4671 since 05/11/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The advisory points out:
An out-of-bounds write was addressed through improved bounds checking.
The vulnerability scanner Nessus provides a plugin with the ID 94253 (macOS 10.12.x < 10.12.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370175 (Apple Mac OS X Security Update Sierra 10.12.1, El Capitan 2016-002 and Yosemite 2016-006 Not Installed (APPLE-SA-2016-10-24-2)).
Upgrading to version 10.12.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (94253). Similar entries are available at 93042, 93046, 93047 and 93041.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.8VulDB Meta Temp Score: 7.6
VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 94253
Nessus Name: macOS 10.12.x < 10.12.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-05 February-2017
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: macOS 10.12.1
Timeline
05/11/2016 🔍10/24/2016 🔍
10/24/2016 🔍
10/24/2016 🔍
10/25/2016 🔍
10/25/2016 🔍
02/20/2017 🔍
09/28/2022 🔍
Sources
Vendor: apple.comAdvisory: HT207275
Researcher: Juwei Lin (Shrek_wzw)
Organization: Recurity Labs
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-4671 (🔍)
SecurityTracker: 1037086
SecurityFocus: 93852 - Apple macOS Prior to 10.12.1 Multiple Security Vulnerabilities
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍
Entry
Created: 10/25/2016 09:10Updated: 09/28/2022 11:43
Changes: 10/25/2016 09:10 (73), 05/17/2019 16:47 (14), 09/28/2022 11:43 (4)
Complete: 🔍
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