Google Android 10.0/11.0/12.0 Emergency Calling CreateConnectionProcessor.java sortSimPhoneAccountsForEmergency denial of service
|CVSS Meta Temp Score|
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|Current Exploit Price (≈)|
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|CTI Interest Score|
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A vulnerability classified as problematic was found in Google Android 10.0/11.0/12.0 (Smartphone Operating System). Affected by this vulnerability is the function
sortSimPhoneAccountsForEmergency of the file CreateConnectionProcessor.java of the component Emergency Calling. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. As an impact it is known to affect availability. The summary by CVE is:
In sortSimPhoneAccountsForEmergency of CreateConnectionProcessor.java, there is a possible prevention of access to emergency calling due to an unhandled exception. In rare instances, this could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-208267659
The weakness was disclosed 01/15/2022 as A-208267659. It is possible to read the advisory at source.android.com. This vulnerability is known as CVE-2021-39659 since 08/23/2021. The exploitation appears to be easy. Attacking locally is a requirement. Required for exploitation is a single authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/19/2022). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.
Applying a patch is able to eliminate this problem.
CVSSv3VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
ExploitingClass: Denial of service
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceInterest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍
0-Day Time: 🔒
Timeline08/23/2021 CVE assigned
01/15/2022 +145 days Advisory disclosed
01/15/2022 +0 days VulDB entry created
01/19/2022 +4 days VulDB last update
CVE: CVE-2021-39659 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20150917
EntryCreated: 01/15/2022 08:11 AM
Updated: 01/19/2022 02:38 PM
Changes: (1) source_cve_nvd_summary
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