Google Android bus.c driver_override_store out-of-bounds write
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.3 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in Google Android (Smartphone Operating System) (affected version unknown). Affected is the function driver_override_store
of the file bus.c. 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. CVE summarizes:
In driver_override_store of bus.c, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-74128061 References: Upstream kernel.
The bug was discovered 06/06/2018. The weakness was presented 11/06/2018 (Website). The advisory is available at source.android.com. This vulnerability is traded as CVE-2018-9385 since 04/05/2018. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/10/2020). 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 48 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 111329 (SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2018:2051-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171288 (SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2018:2051-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (111329). See 120162, 120483, 120484 and 130428 for similar entries.
Product
Type
Vendor
Name
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: 6.5VulDB Meta Temp Score: 6.4
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
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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: 🔍
Local: Yes
Remote: No
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 |
Nessus ID: 111329
Nessus Name: SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2018:2051-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
04/05/2018 🔍06/06/2018 🔍
07/24/2018 🔍
07/25/2018 🔍
11/06/2018 🔍
11/06/2018 🔍
11/07/2018 🔍
11/07/2018 🔍
04/10/2020 🔍
Sources
Vendor: google.comAdvisory: source.android.com
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2018-9385 (🔍)
SecurityFocus: 105887 - Linux Kernel 'drivers/amba/bus.c' Local Privilege Escalation Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍
Entry
Created: 11/07/2018 15:10Updated: 04/10/2020 12:41
Changes: 11/07/2018 15:10 (76), 04/10/2020 12:41 (4)
Complete: 🔍
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