Google Android up to 5.1.0 SIM Toolkit Framework AppInterface.java access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.4$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Google Android up to 5.1.0. The affected element is an unknown function of the file com/android/internal/telephony/cat/AppInterface.java of the component SIM Toolkit Framework. Executing a manipulation can lead to access control. This vulnerability is tracked as CVE-2015-3843. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Google Android up to 5.1.0 (Smartphone Operating System). It has been declared as very critical. This vulnerability affects an unknown part of the file com/android/internal/telephony/cat/AppInterface.java of the component SIM Toolkit Framework. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The SIM Toolkit (STK) framework in Android before 5.1.1 LMY48I allows attackers to (1) intercept or (2) emulate unspecified Telephony STK SIM commands via an application that sends a crafted Intent, related to com/android/internal/telephony/cat/AppInterface.java, aka internal bug 21697171.

The weakness was disclosed 10/01/2015 as 21697171 (Website). The advisory is shared for download at groups.google.com. This vulnerability was named CVE-2015-3843 since 05/12/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 02/03/2018). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 5.1.1 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 Vulnerability Center (SBV-53206†). The entries VDB-78162, VDB-78163, VDB-78164 and VDB-78165 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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: 🔍

0-Day Time: 🔍

Upgrade: Android 5.1.1

Timelineinfo

04/21/2015 🔍
05/12/2015 +21 days 🔍
09/30/2015 +141 days 🔍
09/30/2015 +0 days 🔍
10/01/2015 +1 days 🔍
10/01/2015 +0 days 🔍
10/04/2015 +3 days 🔍
02/03/2018 +853 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: 21697171
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-3843 (🔍)
GCVE (CVE): GCVE-0-2015-3843
GCVE (VulDB): GCVE-100-78172
Vulnerability Center: 53206 - Google Android before 5.1.1 LMY48I Remote Code Execution via a Crafted Application - CVE-2015-3843, Critical

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

Entryinfo

Created: 10/01/2015 15:10
Updated: 02/03/2018 10:21
Changes: 10/01/2015 15:10 (54), 02/03/2018 10:21 (8)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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