Apple iOS up to 6.1.4 Passcode Lock race condition

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Apple iOS up to 6.1.4. Affected by this vulnerability is an unknown functionality of the component Passcode Lock. Such manipulation leads to race condition. This vulnerability is referenced as CVE-2013-5147. Furthermore, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS up to 6.1.4 (Smartphone Operating System). It has been rated as critical. Affected by this issue is an unknown functionality of the component Passcode Lock. The manipulation with an unknown input leads to a race condition vulnerability. Using CWE to declare the problem leads to CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. Impacted is confidentiality, and integrity. CVE summarizes:

Passcode Lock in Apple iOS before 7 does not properly manage the lock state, which allows physically proximate attackers to bypass an intended passcode requirement by leveraging a race condition involving phone calls and ejection of a SIM card.

The weakness was published 09/18/2013 by videosdebarraquito as APPLE-SA-2013-09-18-2 iOS 7 as confirmed mailinglist post (Website). The advisory is shared for download at prod.lists.apple.com. The mailinglist post contains:

A race condition issue existed in the handling of phone calls and SIM card ejection at the lock screen. This issue was addressed through improved lock state management.
This vulnerability is handled as CVE-2013-5147 since 08/15/2013. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 69984 (Apple iOS < 7 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mobile Devices.

Upgrading to version iOS 7.0 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (87223), Exploit-DB (28978), Tenable (69984), SecurityFocus (BID 62534†) and OSVDB (97441†). zdnet.com is providing further details. Similar entries are available at VDB-5610, VDB-8303, VDB-8792 and VDB-8797. Once again VulDB remains the best source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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EPSS Percentile: 🔍

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Nessus ID: 69984
Nessus Name: Apple iOS < 7 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iOS iOS 7.0

Timelineinfo

08/15/2013 🔍
09/18/2013 +33 days 🔍
09/18/2013 +0 days 🔍
09/18/2013 +0 days 🔍
09/18/2013 +0 days 🔍
09/19/2013 +0 days 🔍
09/19/2013 +0 days 🔍
09/20/2013 +1 days 🔍
01/01/2014 +103 days 🔍
10/18/2024 +3943 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: APPLE-SA-2013-09-18-2 iOS 7
Researcher: videosdebarraquito
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-5147 (🔍)
GCVE (CVE): GCVE-0-2013-5147
GCVE (VulDB): GCVE-100-10340
X-Force: 87223
SecurityFocus: 62534
Secunia: 54886 - Apple iOS Multiple Vulnerabilities, Highly Critical
OSVDB: 97441
Vulnerability Center: 42754 - Apple iOS<7 Local Passcode Lock Bypass Vulnerability, Low

scip Labs: https://www.scip.ch/en/?labs.20150917
Misc.: 🔍
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Entryinfo

Created: 09/20/2013 10:34
Updated: 10/18/2024 08:21
Changes: 09/20/2013 10:34 (74), 05/18/2017 17:43 (2), 05/25/2021 09:59 (4), 05/25/2021 10:01 (2), 10/18/2024 08:21 (23)
Complete: 🔍
Cache ID: 216:147:103

Once again VulDB remains the best source for vulnerability data.

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