Google Android lcsm_bcm_assist.c lcsm_SendRrAcquiAssist out-of-bounds write
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.4 | $5k-$25k | 0.00 |
A vulnerability classified as critical was found in Google Android (Smartphone Operating System) (the affected version is unknown). This vulnerability affects the function lcsm_SendRrAcquiAssist
of the file lcsm_bcm_assist.c. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
In lcsm_SendRrAcquiAssist of lcsm_bcm_assist.c, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-246169606References: N/A
The weakness was disclosed 03/25/2023 as A-246169606. The advisory is available at source.android.com. This vulnerability was named CVE-2023-21058 since 11/03/2022. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 04/14/2023). 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.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
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
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
11/03/2022 🔍03/25/2023 🔍
03/25/2023 🔍
04/14/2023 🔍
Sources
Vendor: google.comAdvisory: A-246169606
Status: Confirmed
CVE: CVE-2023-21058 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 03/25/2023 07:38Updated: 04/14/2023 10:11
Changes: 03/25/2023 07:38 (42), 04/14/2023 10:11 (11)
Complete: 🔍
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