Google Android prior 6.0/6.0.1/7.0 Mediaserver integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Google Android. This issue affects some unknown processing of the component Mediaserver. Such manipulation leads to integer overflow. This vulnerability is documented as CVE-2016-3895. The attack needs to be performed locally. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Google Android (Smartphone Operating System) and classified as problematic. Affected by this issue is some unknown functionality of the component Mediaserver. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality. CVE summarizes:

Integer overflow in the Region::unflatten function in libs/ui/Region.cpp in mediaserver in Android 6.x before 2016-09-01 and 7.0 before 2016-09-01 allows attackers to obtain sensitive information via a crafted application, aka internal bug 29983260.

The weakness was released 09/06/2016 as Android Security Bulletin - September 2016 as confirmed security bulletin (Website). The advisory is shared for download at source.android.com. This vulnerability is handled as CVE-2016-3895 since 03/30/2016. The attack needs to be approached locally. A simple authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading to version 6.0, 6.0.1 or 7.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Entries connected to this vulnerability are available at VDB-91415, VDB-91416, VDB-91417 and VDB-91418. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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: Integer overflow
CWE: CWE-190 / CWE-189
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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Android 6.0/6.0.1/7.0

Timelineinfo

03/30/2016 🔍
09/06/2016 +160 days 🔍
09/06/2016 +0 days 🔍
09/11/2016 +5 days 🔍
09/11/2016 +0 days 🔍
09/15/2022 +2195 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: Android Security Bulletin - September 2016
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-3895 (🔍)
GCVE (CVE): GCVE-0-2016-3895
GCVE (VulDB): GCVE-100-91436
SecurityTracker: 1036763

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 09/11/2016 12:29
Updated: 09/15/2022 14:12
Changes: 09/11/2016 12:29 (54), 04/14/2019 09:14 (10), 09/15/2022 14:12 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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