Apple iOS up to 8.3 SIM Card input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 8.3. It has been classified as problematic. This affects an unknown function of the component SIM Card Handler. This manipulation causes input validation. The identification of this vulnerability is CVE-2015-3726. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Apple iOS up to 8.3 (Smartphone Operating System). Affected by this vulnerability is an unknown code block of the component SIM Card Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Telephony subsystem in Apple iOS before 8.4 allows physically proximate attackers to execute arbitrary code via a crafted (1) SIM or (2) UIM card.

The weakness was shared 06/30/2015 by Matt Spisak (WanderingGlitch) with Endgame as HT20494 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2015-3726 since 05/07/2015. The exploitation appears to be difficult. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version 8.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12212.

The vulnerability is also documented in the databases at X-Force (104378), SecurityFocus (BID 75490†), SecurityTracker (ID 1032761†) and Vulnerability Center (SBV-50852†). The entries VDB-75568, VDB-76198, VDB-76201 and VDB-76202 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.9
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

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: iOS 8.4
TippingPoint: 🔍

Timelineinfo

05/07/2015 🔍
06/30/2015 +54 days 🔍
06/30/2015 +0 days 🔍
06/30/2015 +0 days 🔍
06/30/2015 +0 days 🔍
07/01/2015 +1 days 🔍
07/01/2015 +0 days 🔍
07/02/2015 +1 days 🔍
07/02/2015 +0 days 🔍
07/02/2017 +731 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT20494
Researcher: Matt Spisak (WanderingGlitch)
Organization: Endgame
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-3726 (🔍)
GCVE (CVE): GCVE-0-2015-3726
GCVE (VulDB): GCVE-100-76249
X-Force: 104378 - Apple iOS Telephony subsystem code execution
SecurityFocus: 75490 - Apple iOS APPLE-SA-2015-06-30-1 Multiple Security Vulnerabilities
SecurityTracker: 1032761 - Apple iOS Flaws Let Remote Users Deny Service and Execute Arbitrary Code
Vulnerability Center: 50852 - Apple iOS <8.4 Remote Code Execution in Telephony via Crafted SIM Card, Medium

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

Entryinfo

Created: 07/02/2015 13:20
Updated: 07/02/2017 12:14
Changes: 07/02/2015 13:20 (73), 07/02/2017 12:14 (5)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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