Google Android gatt_cl.cc gatt_process_prep_write_rsp use after free
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.0 | $5k-$25k | 0.00 |
Summary
A vulnerability was found in Google Android. It has been classified as problematic. This issue affects the function gatt_process_prep_write_rsp of the file gatt_cl.cc. This manipulation causes use after free.
The identification of this vulnerability is CVE-2023-35658. The attack needs to be done within the local network. There is no exploit available.
To fix this issue, it is recommended to deploy a patch.
Details
A vulnerability classified as problematic was found in Google Android (Smartphone Operating System) (unknown version). Affected by this vulnerability is the function gatt_process_prep_write_rsp of the file gatt_cl.cc. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
In gatt_process_prep_write_rsp of gatt_cl.cc, there is a possible privilege escalation due to a use after free. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
The weakness was shared 09/12/2023. It is possible to read the advisory at android.googlesource.com. This vulnerability is known as CVE-2023-35658 since 06/15/2023. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/10/2023). It is expected to see the exploit prices for this product increasing in the near future.
Applying a patch is able to eliminate this problem.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.google.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.1VulDB Meta Temp Score: 7.1
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
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 |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Use after freeCWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
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: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
06/15/2023 🔍09/12/2023 🔍
09/12/2023 🔍
10/10/2023 🔍
Sources
Vendor: google.comAdvisory: android.googlesource.com
Status: Confirmed
CVE: CVE-2023-35658 (🔍)
GCVE (CVE): GCVE-0-2023-35658
GCVE (VulDB): GCVE-100-239419
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 09/12/2023 07:23Updated: 10/10/2023 07:59
Changes: 09/12/2023 07:23 (40), 10/10/2023 07:59 (11)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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