| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Apple tvOS. It has been declared as critical. The affected element is an unknown function of the component ImageIO. The manipulation results in out-of-bounds. This vulnerability is reported as CVE-2021-1778. The attacker must have access to the local network to execute the attack. No exploit exists. It is recommended to upgrade the affected component.
Details
A vulnerability classified as critical has been found in Apple tvOS (Digital Media Player) (version now known). Affected is some unknown processing of the component ImageIO. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was disclosed 02/01/2021 by Xingwei Lin as confirmed advisory (Website). This vulnerability is traded as CVE-2021-1778 since 12/08/2020. Access to the local network is required for this attack to succeed. Required for exploitation is a authentication. There are neither technical details nor an exploit publicly available.
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
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: 🔍
Physical: No
Local: No
Remote: Partially
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: 🔍
Timeline
12/08/2020 🔍02/01/2021 🔍
02/01/2021 🔍
04/03/2021 🔍
04/09/2021 🔍
Sources
Vendor: apple.comResearcher: Xingwei Lin
Status: Confirmed
CVE: CVE-2021-1778 (🔍)
GCVE (CVE): GCVE-0-2021-1778
GCVE (VulDB): GCVE-100-172332
Entry
Created: 04/03/2021 12:17Updated: 04/09/2021 12:39
Changes: 04/03/2021 12:17 (33), 04/09/2021 12:39 (9)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.

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