Apple WebKit up to 6.1.2 Mach-O File access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple WebKit up to 6.1.2 and classified as problematic. This vulnerability affects unknown code of the component Mach-O File Handler. The manipulation leads to access control. This vulnerability is referenced as CVE-2014-4455. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple WebKit up to 6.1.2 (Web Browser) and classified as problematic. This issue affects an unknown part of the component Mach-O File Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. 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 11/17/2014 with PanguTeam as HT6592 as confirmed advisory (Website). The advisory is shared at lists.apple.com. The identification of this vulnerability is CVE-2014-4455 since 06/20/2014. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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 7.0.2 eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (98773), Tenable (79360) and SecurityFocus (BID 71140†). Similar entries are available at VDB-68223, VDB-68224, VDB-68226 and VDB-68227. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Apple TV

Productinfo

Type

Vendor

Name

Version

License

Website

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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 79360
Nessus Name: Apple TV < 7.0.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: WebKit 7.0.2

Timelineinfo

06/20/2014 🔍
11/17/2014 +150 days 🔍
11/17/2014 +0 days 🔍
11/18/2014 +1 days 🔍
11/18/2014 +0 days 🔍
11/19/2014 +1 days 🔍
02/25/2022 +2655 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT6592
Organization: PanguTeam
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-4455 (🔍)
GCVE (CVE): GCVE-0-2014-4455
GCVE (VulDB): GCVE-100-68225
X-Force: 98773 - Apple TV Mach-O executable files code execution, Medium Risk
SecurityFocus: 71140 - Apple iOS and TV CVE-2014-4455 Local Code Execution Vulnerability
SecurityTracker: 1031231

See also: 🔍

Entryinfo

Created: 11/19/2014 10:54
Updated: 02/25/2022 01:13
Changes: 11/19/2014 10:54 (56), 07/06/2017 08:14 (14), 02/25/2022 00:59 (3), 02/25/2022 01:13 (1)
Complete: 🔍
Cache ID: 216:889:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!