Apple iOS/iPadOS up to 13.1.3 Screen Recording input validation

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.3 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Apple iOS and iPadOS up to 13.1.3. It has been classified as problematic. Affected by this issue is some unknown functionality of the component Screen Recording. This manipulation causes input validation. This vulnerability is handled as CVE-2019-8793. It is possible to launch the attack on the local host. 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 13.1.3 (Smartphone Operating System). Affected by this vulnerability is an unknown code block of the component Screen Recording. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. As an impact it is known to affect confidentiality. The summary by CVE is:
A consistency issue existed in deciding when to show the screen recording indicator. The issue was resolved with improved state management. This issue is fixed in iOS 13.2 and iPadOS 13.2. A local user may be able to record the screen without a visible screen recording indicator.
The weakness was released 10/28/2019 by Ryan Jenkins with Lake Forrest Prep School as HT210721 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2019-8793. An attack has to be approached locally. The requirement for exploitation is a single authentication. Neither technical details nor an exploit are publicly available. The advisory points out:
A consistency issue existed in deciding when to show the screen recording indicator. The issue was resolved with improved state management.
Upgrading to version 13.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Entries connected to this vulnerability are available at VDB-144528, VDB-144529, VDB-144530 and VDB-144531. 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: 4.4VulDB Meta Temp Score: 4.3
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
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 |
|---|---|---|---|---|
| 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 13.2
Timeline
02/18/2019 🔍10/28/2019 🔍
10/28/2019 🔍
10/31/2019 🔍
01/31/2024 🔍
Sources
Vendor: apple.comAdvisory: HT210721
Researcher: Ryan Jenkins
Organization: Lake Forrest Prep School
Status: Confirmed
CVE: CVE-2019-8793 (🔍)
GCVE (CVE): GCVE-0-2019-8793
GCVE (VulDB): GCVE-100-144541
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍
Entry
Created: 10/31/2019 07:34Updated: 01/31/2024 08:38
Changes: 10/31/2019 07:34 (48), 10/31/2019 07:39 (17), 01/31/2024 08:38 (4)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
No comments yet. Languages: en.
Please log in to comment.