Google Android Synchronization msm_vb2 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 classified as critical has been found in Google Android. This affects the function msm_vb2 of the component Synchronization. The manipulation leads to use after free. This vulnerability is documented as CVE-2017-9704. The attack needs to be performed locally. There is not any exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) (version now known). It has been rated as critical. This issue affects the function msm_vb2 of the component Synchronization. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

In all android releases(Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, There is no synchronization between msm_vb2 buffer operations which can lead to use after free.

The bug was discovered 12/03/2018. The weakness was released 12/20/2018 (Website). The advisory is shared at codeaurora.org. The identification of this vulnerability is CVE-2017-9704 since 06/15/2017. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/22/2020). 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 17 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-128210, VDB-128211, VDB-128212 and VDB-128213. If you want to get the best quality for vulnerability data then you always have to consider 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

EPSS Score: 🔍
EPSS Percentile: 🔍

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

06/15/2017 🔍
12/03/2018 +536 days 🔍
12/20/2018 +17 days 🔍
12/20/2018 +0 days 🔍
12/21/2018 +1 days 🔍
04/22/2020 +488 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: codeaurora.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9704 (🔍)
GCVE (CVE): GCVE-0-2017-9704
GCVE (VulDB): GCVE-100-128141
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 12/21/2018 07:55
Updated: 04/22/2020 09:48
Changes: 12/21/2018 07:55 (60), 04/22/2020 09:48 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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