Apple Mac OS X up to 10.9.3 iCloud Find improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Apple Mac OS X up to 10.9.3 (Operating System). Affected by this issue is an unknown functionality of the component iCloud Find. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The "iCloud Find My Mac" feature in Apple OS X before 10.10 does not properly enforce rate limiting of lost-mode PIN entry, which makes it easier for physically proximate attackers to obtain access via a brute-force attack involving a series of reboots.

The weakness was released 10/16/2014 by knoy as HT6535 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2014-4435 since 06/20/2014. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/23/2022). This vulnerability has a historic impact due to its background and reception. The advisory points out:

A state persistence issue in rate limiting allowed brute force attacks on iCloud Lost mode PIN.

The vulnerability scanner Nessus provides a plugin with the ID 78550 (Mac OS X < 10.10 Multiple Vulnerabilities (POODLE) (Shellshock)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks.

Upgrading to version 10.10 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

This issue was addressed through improved state persistence across reboots.

The vulnerability is also documented in the databases at X-Force (97636) and Tenable (78550). Entries connected to this vulnerability are available at 10344, 67593, 67592 and 67590.

Productinfo

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Support

  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 78550
Nessus Name: Mac OS X < 10.10 Multiple Vulnerabilities (POODLE) (Shellshock)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Mac OS X 10.10

Timelineinfo

06/20/2014 🔍
10/16/2014 +118 days 🔍
10/16/2014 +0 days 🔍
10/16/2014 +0 days 🔍
10/17/2014 +1 days 🔍
10/17/2014 +0 days 🔍
10/17/2014 +0 days 🔍
10/17/2014 +0 days 🔍
10/19/2014 +2 days 🔍
02/23/2022 +2684 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT6535
Researcher: knoy
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-4435 (🔍)
X-Force: 97636
SecurityTracker: 1031063 - Apple OS X Multiple Flaws Let Users Execute Arbitrary Code, Obtain Elevated Privileges, Bypass Security Restrictions, and Obtain Potentially Sensitive Information
Vulnerability Center: 46708 - Apple OS X <10.10 Local Security Bypass via a Brute-Force Attack - CVE-2014-4435, Medium
SecurityFocus: 70638 - Apple Mac OS X CVE-2014-4435 Security Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 10/17/2014 10:22
Updated: 02/23/2022 10:41
Changes: 10/17/2014 10:22 (75), 06/09/2017 07:26 (5), 02/23/2022 10:41 (4)
Complete: 🔍

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