Google Android Linux Kernel /dev/mdss_rotator mdss_rotator_ioctl use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Google Android. This affects the function mdss_rotator_ioctl of the file /dev/mdss_rotator of the component Linux Kernel. Executing a manipulation can lead to use after free. This vulnerability is handled as CVE-2017-11091. It is possible to launch the attack on the local host. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (the affected version unknown). It has been declared as critical. This vulnerability affects the function mdss_rotator_ioctl of the file /dev/mdss_rotator of the component Linux Kernel. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In android for MSM, Firefox OS for MSM, QRD Android, with all Android releases from CAF using the Linux kernel, in the function mdss_rotator_ioctl in the driver /dev/mdss_rotator, a Use-After-Free condition can potentially occur due to a fence being installed too early.

The bug was discovered 11/06/2017. The weakness was released 11/16/2017 (Website). The advisory is available at source.android.com. This vulnerability was named CVE-2017-11091 since 07/07/2017. The exploitation appears to be easy. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $25k-$100k.

Applying a patch is able to eliminate this problem.

Entries connected to this vulnerability are available at VDB-104449, VDB-109492, VDB-109498 and VDB-109499. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB 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: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/07/2017 🔍
11/06/2017 +122 days 🔍
11/16/2017 +10 days 🔍
11/16/2017 +0 days 🔍
11/17/2017 +1 days 🔍
12/07/2019 +750 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: source.android.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-11091 (🔍)
GCVE (CVE): GCVE-0-2017-11091
GCVE (VulDB): GCVE-100-109546
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 11/17/2017 08:29
Updated: 12/07/2019 15:59
Changes: 11/17/2017 08:29 (61), 12/07/2019 15:59 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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