Google Android up to 9.0 codebook.c vorbis_book_decodev_set out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $5k-$25k | 0.00 |
Summary
A vulnerability identified as critical has been detected in Google Android up to 9.0. This vulnerability affects the function vorbis_book_decodev_set of the file codebook.c. This manipulation causes out-of-bounds write.
This vulnerability is tracked as CVE-2018-9527. The attack is possible to be carried out remotely. No exploit exists.
Applying a patch is the recommended action to fix this issue.
Details
A vulnerability has been found in Google Android up to 9.0 (Smartphone Operating System) and classified as critical. Affected by this vulnerability is the function vorbis_book_decodev_set of the file codebook.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. The summary by CVE is:
In vorbis_book_decodev_set of codebook.c there is a possible out of bounds write due to missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112159345
The bug was discovered 11/05/2018. The weakness was disclosed 11/14/2018 (Website). The advisory is shared at source.android.com. This vulnerability is known as CVE-2018-9527 since 04/05/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/13/2020). 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 9 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 105865†). The entries VDB-126869, VDB-126875, VDB-126870 and VDB-126871 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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
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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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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔍
Timeline
04/05/2018 🔍11/05/2018 🔍
11/05/2018 🔍
11/14/2018 🔍
11/14/2018 🔍
11/15/2018 🔍
04/13/2020 🔍
Sources
Vendor: google.comAdvisory: source.android.com
Status: Not defined
Confirmation: 🔍
CVE: CVE-2018-9527 (🔍)
GCVE (CVE): GCVE-0-2018-9527
GCVE (VulDB): GCVE-100-126877
SecurityFocus: 105865 - Google Android Media Framework Component Multiple Security Vulnerabilities
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍
Entry
Created: 11/15/2018 09:46Updated: 04/13/2020 09:40
Changes: 11/15/2018 09:46 (63), 04/13/2020 09:40 (4)
Complete: 🔍
Cache ID: 216:877:103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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