| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in Apple iOS and iPadOS up to 14.6. The affected element is an unknown function of the component CoreAudio. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2021-30776. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.
Details
A vulnerability has been found in Apple iOS and iPadOS up to 14.6 (Smartphone Operating System) and classified as problematic. This vulnerability affects some unknown functionality of the component CoreAudio. 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 disclosed 07/19/2021 by JunDong Xie as HT212601 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2021-30776. 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:
Playing a malicious audio file may lead to an unexpected application termination
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: JunDong Xie
Status: Confirmed
CVE: CVE-2021-30776 (🔍)
GCVE (CVE): GCVE-0-2021-30776
GCVE (VulDB): GCVE-100-179482
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 07/23/2021 08:08Updated: 07/27/2021 15:43
Changes: 07/23/2021 08:08 (10), 07/23/2021 08:09 (8), 07/23/2021 08:12 (29), 07/27/2021 15:43 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.

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