Apple iOS 10.1/10.1.1 Lockscreen Lockscreen Bypass memory corruption

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical was found in Apple iOS 10.1/10.1.1. This affects an unknown function of the component Lockscreen. Such manipulation leads to memory corruption (Lockscreen Bypass). The attack needs to be performed locally. Additionally, an exploit exists.
Details
A vulnerability, which was classified as critical, has been found in Apple iOS 10.1/10.1.1 (Smartphone Operating System). Affected by this issue is an unknown function of the component Lockscreen. The manipulation with an unknown input leads to a memory corruption vulnerability (Lockscreen Bypass). Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.
The weakness was released 12/01/2016 by Benjamin Kunz Mejri as VL-ID 2018 as not defined advisory (Website). The advisory is available at vulnerability-lab.com. Local access is required to approach this attack. The successful exploitation requires a simple authentication. Technical details are unknown but a public exploit is available.
A public exploit has been developed by Benjamin Kunz Mejri and been published immediately after the advisory. The exploit is available at youtu.be. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
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Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
Video

CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| 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: Lockscreen BypassClass: Memory corruption / Lockscreen Bypass
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Benjamin Kunz Mejri
Download: 🔍
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: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Timeline
12/01/2016 🔍12/01/2016 🔍
12/02/2016 🔍
07/24/2019 🔍
Sources
Vendor: apple.comAdvisory: VL-ID 2018
Researcher: Benjamin Kunz Mejri
Status: Not defined
GCVE (VulDB): GCVE-100-93926
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 12/02/2016 08:11Updated: 07/24/2019 17:13
Changes: 12/02/2016 08:11 (48), 07/24/2019 17:13 (2)
Complete: 🔍
Cache ID: 216::103
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