Apple tvOS up to 14.4 MobileInstallation Local Privilege Escalation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Apple tvOS up to 14.4. It has been classified as problematic. Affected by this vulnerability is an unknown functionality of the component MobileInstallation. The manipulation leads to an unknown weakness. This vulnerability is listed as CVE-2021-1822. The attack must be carried out locally. There is no available exploit. Upgrading the affected component is recommended.
Details
A vulnerability, which was classified as problematic, has been found in Apple tvOS up to 14.4 (Digital Media Player). This issue affects an unknown code block of the component MobileInstallation. Impacted is confidentiality, integrity, and availability.
The weakness was presented 04/26/2021 by Bruno Virlet as HT212323 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2021-1822. Neither technical details nor an exploit are publicly available. The advisory points out:
A local user may be able to modify protected parts of the file system
Upgrading to version 14.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
A logic issue was addressed with improved restrictions.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Local Privilege EscalationCWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: tvOS 14.5
Timeline
12/08/2020 🔍04/26/2021 🔍
04/26/2021 🔍
04/27/2021 🔍
05/01/2021 🔍
Sources
Vendor: apple.comAdvisory: HT212323
Researcher: Bruno Virlet
Status: Confirmed
CVE: CVE-2021-1822 (🔍)
GCVE (CVE): GCVE-0-2021-1822
GCVE (VulDB): GCVE-100-174053
Entry
Created: 04/27/2021 10:55Updated: 05/01/2021 09:43
Changes: 04/27/2021 10:55 (18), 04/27/2021 10:59 (27), 05/01/2021 09:43 (4)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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