Apple tvOS up to 13.4.8 Phone Lockscreen improper authentication

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.1 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Apple tvOS up to 13.4.8 and classified as problematic. This affects an unknown function of the component Phone. Performing a manipulation results in improper authentication (Lockscreen). This vulnerability is reported as CVE-2020-9946. The attack may be carried out on the physical device. No exploit exists. The affected component should be upgraded.
Details
A vulnerability was found in Apple tvOS up to 13.4.8 (Digital Media Player). It has been classified as critical. This affects an unknown part of the component Phone. The manipulation with an unknown input leads to a improper authentication vulnerability (Lockscreen). CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was disclosed 09/16/2020 by Daniel Larsson with iolight AB as HT211843 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2020-9946. The exploitability is told to be difficult. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The advisory points out:
This issue was addressed with improved checks.
Upgrading to version 14.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The entries VDB-161357, VDB-161363, VDB-161366 and VDB-161368 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.
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: 6.4VulDB Meta Temp Score: 6.1
VulDB Base Score: 6.4
VulDB Temp Score: 6.1
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
Name: LockscreenClass: Improper authentication / Lockscreen
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍
Physical: Yes
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: tvOS 14.0
Timeline
09/16/2020 🔍09/16/2020 🔍
09/17/2020 🔍
09/17/2020 🔍
Sources
Vendor: apple.comAdvisory: HT211843
Researcher: Daniel Larsson
Organization: iolight AB
Status: Confirmed
CVE: CVE-2020-9946 (🔍)
GCVE (CVE): GCVE-0-2020-9946
GCVE (VulDB): GCVE-100-161367
See also: 🔍
Entry
Created: 09/17/2020 07:06Updated: 09/17/2020 07:11
Changes: 09/17/2020 07:06 (48), 09/17/2020 07:11 (2)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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