Google Android 4.4.3/5.0.1/5.1/6.0 Mediaserver null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.6 | $5k-$25k | 0.00 |
A vulnerability was found in Google Android 4.4.3/5.0.1/5.1/6.0 (Smartphone Operating System). It has been declared as very critical. Affected by this vulnerability is an unknown part of the component Mediaserver. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was disclosed 08/01/2016 by Martin Barbella (Oliver) with Google Chrome Security Team as Android Security Bulletin - August 2016 as confirmed security bulletin (Website). The advisory is shared at source.android.com. This vulnerability is known as CVE-2016-3821 since 03/30/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/09/2022). It is expected to see the exploit prices for this product increasing in the near future.
We expect the 0-day to have been worth approximately $25k-$100k.
Upgrading to version 4.4.4, 5.0.2, 5.1.1, 6.0 or 6.0.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The entries 90455, 90456, 90458 and 90459 are pretty similar.
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: 9.8VulDB Meta Temp Score: 9.6
VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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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: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
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 |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Android 4.4.4/5.0.2/5.1.1/6.0/6.0.1
Timeline
03/30/2016 🔍08/01/2016 🔍
08/01/2016 🔍
08/01/2016 🔍
08/05/2016 🔍
08/06/2016 🔍
09/09/2022 🔍
Sources
Vendor: google.comAdvisory: Android Security Bulletin - August 2016
Researcher: Martin Barbella (Oliver)
Organization: Google Chrome Security Team
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-3821 (🔍)
SecurityFocus: 92228 - Google Android Mediaserver Multiple Remote Code Execution Vulnerabilities
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍
Entry
Created: 08/06/2016 14:02Updated: 09/09/2022 19:08
Changes: 08/06/2016 14:02 (55), 03/19/2019 07:32 (16), 09/09/2022 19:08 (4)
Complete: 🔍
Cache ID: 3:E9E:103
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