| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $0-$5k | 0.00 |
Summary
A vulnerability described as problematic has been identified in Apple iOS and iPadOS up to 14.6. This affects an unknown function of the component Model I/O. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2021-30796. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.
Details
A vulnerability classified as problematic was found in Apple iOS and iPadOS up to 14.6 (Smartphone Operating System). This vulnerability affects an unknown code block of the component Model I/O. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.
The weakness was released 07/19/2021 by Mickey Jin as HT212601 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2021-30796. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/23/2021). It is expected to see the exploit prices for this product increasing in the near future.This vulnerability is assigned to T1499 by the MITRE ATT&CK project. The advisory points out:
Processing a maliciously crafted image may lead to a denial of service
Upgrading to version 14.7 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 validation.
If you want to get best quality of vulnerability data, you may have to visit 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: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
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: iOS/iPadOS 14.7
Timeline
04/13/2021 🔍07/19/2021 🔍
07/19/2021 🔍
07/23/2021 🔍
07/27/2021 🔍
Sources
Vendor: apple.comAdvisory: HT212601
Researcher: Mickey Jin
Status: Confirmed
CVE: CVE-2021-30796 (🔍)
GCVE (CVE): GCVE-0-2021-30796
GCVE (VulDB): GCVE-100-179506
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 07/23/2021 08:23Updated: 07/27/2021 19:33
Changes: 07/23/2021 08:23 (18), 07/23/2021 08:27 (29), 07/27/2021 19:33 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.

No comments yet. Languages: en.
Please log in to comment.