Google Android 9.0 Media Server aacdecoder.cpp CAacDecoder_Init out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $5k-$25k | 0.00 |
Summary
A vulnerability classified as critical has been found in Google Android 9.0. This affects the function CAacDecoder_Init of the file aacdecoder.cpp of the component Media Server. The manipulation leads to out-of-bounds write.
This vulnerability is traded as CVE-2018-9551. It is possible to initiate the attack remotely. There is no exploit available.
It is recommended to apply a patch to fix this issue.
Details
A vulnerability was found in Google Android 9.0 (Smartphone Operating System) and classified as critical. This issue affects the function CAacDecoder_Init of the file aacdecoder.cpp of the component Media Server. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
In CAacDecoder_Init of aacdecoder.cpp, there is a possible out-of-bound write due to a missing bounds check. This could lead to remote code execution in the media server with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: Android-9. Android ID: A-112891548.
The bug was discovered 12/05/2018. The weakness was shared 12/06/2018 (Website). It is possible to read the advisory at source.android.com. The identification of this vulnerability is CVE-2018-9551 since 04/05/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. 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 04/18/2020). 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 1 days. During that time the estimated underground price was around $25k-$100k.
Applying a patch is able to eliminate this problem.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106137†). The entries VDB-127674, VDB-127675, VDB-127676 and VDB-127677 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.google.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.0VulDB Meta Temp Score: 6.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
04/05/2018 🔍12/03/2018 🔍
12/05/2018 🔍
12/06/2018 🔍
12/06/2018 🔍
12/07/2018 🔍
04/18/2020 🔍
Sources
Vendor: google.comAdvisory: source.android.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2018-9551 (🔍)
GCVE (CVE): GCVE-0-2018-9551
GCVE (VulDB): GCVE-100-127679
SecurityFocus: 106137 - Google Android Media Framework Component Multiple Security Vulnerabilities
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍
Entry
Created: 12/07/2018 09:41Updated: 04/18/2020 21:07
Changes: 12/07/2018 09:41 (65), 04/18/2020 21:07 (4)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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