CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.3 | $0-$5k | 0.00 |
A vulnerability was found in Apple macOS up to 10.12.1 (Operating System) and classified as critical. This issue affects an unknown code block of the component Directory Services. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
An issue was discovered in certain Apple products. macOS before 10.12.2 is affected. The issue involves the "Directory Services" component. It allows local users to gain privileges or cause a denial of service (use-after-free) via unspecified vectors.
The bug was discovered 12/22/2016. The weakness was shared 12/13/2016 by Ian Beer (daybreaker@Minionz) with Google Project Zero as HT207423 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2016-7633 since 09/09/2016. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available. The advisory points out:
A use after free issue was addressed through improved memory management.
The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 95917 (macOS 10.12.x < 10.12.2 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.
Upgrading to version 10.12.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (95917) and Exploit-DB (40954). The entries 87463, 91385, 91659 and 93261 are related to this item.
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: 6.5VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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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: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
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: 95917
Nessus Name: macOS 10.12.x < 10.12.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 February-2017
OpenVAS File: 🔍
OpenVAS Family: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: macOS 10.12.2
Timeline
09/09/2016 🔍12/13/2016 🔍
12/13/2016 🔍
12/13/2016 🔍
12/14/2016 🔍
12/16/2016 🔍
12/22/2016 🔍
02/20/2017 🔍
10/08/2022 🔍
Sources
Vendor: apple.comAdvisory: HT207423
Researcher: Ian Beer (daybreaker@Minionz)
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-7633 (🔍)
SecurityTracker: 1037469
SecurityFocus: 94903 - Apple macOS APPLE-SA-2016-12-13-1 Multiple Security Vulnerabilities
scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍
Entry
Created: 12/14/2016 13:45Updated: 10/08/2022 00:06
Changes: 12/14/2016 13:45 (76), 07/06/2019 21:51 (14), 10/08/2022 00:06 (3)
Complete: 🔍
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