Apple macOS XPC Service launchd access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0$0-$5k0.00

A vulnerability was found in Apple macOS (Operating System) (the affected version unknown). It has been declared as critical. This vulnerability affects an unknown part of the file launchd of the component XPC Service. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 01/20/2021 as HT211850. The advisory is shared for download at xlab.tencent.com. This vulnerability was named CVE-2020-9971. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1068.

It is possible to download the exploit at xlab.tencent.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.8
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
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-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/02/2020 🔍
01/20/2021 +324 days 🔍
01/20/2021 +0 days 🔍
02/15/2021 +26 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211850
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-9971 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 01/20/2021 08:30
Updated: 02/15/2021 16:33
Changes: 01/20/2021 08:30 (41), 01/20/2021 08:31 (6), 01/20/2021 08:32 (1), 02/15/2021 16:33 (1)
Complete: 🔍
Submitter: CSieberg

Submitinfo

Accepted

  • Submit #6181: CVE-2020-9971 // Privilege Escalation in Apple iOS < 13.5, Apple macOS < 11.0 (by CSieberg)

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!