Google Android up to 8.1 smp_br_main.cc smp_br_state_machine_event out-of-bounds write
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
8.4 | $5k-$25k | 0.00 |
A vulnerability, which was classified as critical, was found in Google Android up to 8.1 (Smartphone Operating System). This affects the function smp_br_state_machine_event
of the file smp_br_main.cc. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
In smp_br_state_machine_event of smp_br_main.cc, there is a possible out of bounds write due to memory corruption. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-6.0 Android-6.0.1 Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android ID: A-80145946.
The bug was discovered 08/06/2018. The weakness was disclosed 11/06/2018 (Website). It is possible to read the advisory at securitytracker.com. This vulnerability is uniquely identified as CVE-2018-9446 since 04/05/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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 06/04/2023). It is expected to see the exploit prices for this product increasing in the near future.
The vulnerability was handled as a non-public zero-day exploit for at least 92 days. During that time the estimated underground price was around $25k-$100k.
Applying a patch is able to eliminate this problem.
Product
Type
Vendor
Name
Version
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 |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
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
04/05/2018 🔍08/06/2018 🔍
11/06/2018 🔍
11/06/2018 🔍
11/07/2018 🔍
06/04/2023 🔍
Sources
Vendor: google.comAdvisory: securitytracker.com⛔
Status: Not defined
Confirmation: 🔍
CVE: CVE-2018-9446 (🔍)
SecurityTracker: 1041432
scip Labs: https://www.scip.ch/en/?labs.20150917
Entry
Created: 11/07/2018 03:17 PMUpdated: 06/04/2023 06:15 PM
Changes: 11/07/2018 03:17 PM (62), 04/10/2020 02:34 PM (1), 06/04/2023 06:15 PM (4)
Complete: 🔍
Cache ID: 35:EF0:40
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