CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
3.2 | $0-$5k | 0.00 |
A vulnerability was found in Apple macOS up to 11.1 (Operating System) and classified as problematic. Affected by this issue is some unknown processing of the component FairPlay. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality.
The weakness was published 02/01/2021 by Junzhi Lu, Qi Sun and Mickey Jin as HT212147 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2021-1791. The technical details are unknown and an exploit is not available. The advisory points out:
A malicious application may be able to disclose kernel memory
Upgrading to version 11.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation.
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: 3.3VulDB Meta Temp Score: 3.2
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
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: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: macOS 11.2
Timeline
12/08/2020 🔍02/01/2021 🔍
02/01/2021 🔍
02/03/2021 🔍
02/22/2021 🔍
Sources
Vendor: apple.comAdvisory: HT212147
Researcher: Junzhi Lu, Qi Sun, Mickey Jin
Status: Confirmed
CVE: CVE-2021-1791 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20180712
Entry
Created: 02/03/2021 13:36Updated: 02/22/2021 17:26
Changes: 02/03/2021 13:36 (19), 02/03/2021 13:39 (28), 02/22/2021 17:26 (4)
Complete: 🔍
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