Apple iOS up to 8.1.2 dyld access control

CVSS Meta Temp Score
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CTI Interest Score
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6.2$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Apple iOS up to 8.1.2 and classified as problematic. Affected is an unknown function of the component dyld. Performing a manipulation results in access control. This vulnerability is known as CVE-2014-4455. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple iOS up to 8.1.2 (Smartphone Operating System). This affects an unknown part of the component dyld. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, and integrity. The summary by CVE is:

dyld in Apple iOS before 8.1.1 and Apple TV before 7.0.2 does not properly handle overlapping segments in Mach-O executable files, which allows local users to bypass intended code-signing restrictions via a crafted file.

The weakness was published 01/27/2015 by PanguTeam with TaiG Jailbreak Team as HT204245 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2014-4455 since 06/20/2014. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/07/2022). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1068 for this issue. The advisory points out:

A state management issue existed in the handling of Mach-O executable files with overlapping segments. This issue was addressed through improved validation of segment sizes.

The vulnerability scanner Nessus provides a plugin with the ID 79360 (Apple TV < 7.0.2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc..

Upgrading to version 8.1.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (98773), Tenable (79360), SecurityFocus (BID 71140†) and Vulnerability Center (SBV-47141†). Further details are available at us-cert.gov. Similar entries are available at VDB-68223, VDB-68224, VDB-68225 and VDB-68226. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
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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Nessus ID: 79360
Nessus Name: Apple TV < 7.0.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: iOS 8.1.3

Timelineinfo

06/20/2014 🔍
11/17/2014 +150 days 🔍
11/17/2014 +0 days 🔍
11/18/2014 +1 days 🔍
11/18/2014 +0 days 🔍
01/27/2015 +70 days 🔍
01/27/2015 +0 days 🔍
01/29/2015 +2 days 🔍
03/07/2022 +2594 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT204245
Researcher: PanguTeam
Organization: TaiG Jailbreak Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-4455 (🔍)
GCVE (CVE): GCVE-0-2014-4455
GCVE (VulDB): GCVE-100-68925
X-Force: 98773
SecurityFocus: 71140 - Apple iOS and TV CVE-2014-4455 Local Code Execution Vulnerability
SecurityTracker: 1031231
SecuriTeam: 1031652
Vulnerability Center: 47141 - Apple iOS Prior to 8.1.3 Local Code Execution via Mach-O Executable Files - CVE-2014-4455, Medium

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

Entryinfo

Created: 01/29/2015 15:41
Updated: 03/07/2022 16:43
Changes: 01/29/2015 15:41 (71), 06/12/2017 08:26 (6), 03/07/2022 16:35 (3), 03/07/2022 16:43 (1)
Complete: 🔍
Cache ID: 216:F5D:103

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