Apple iOS up to 4.0.0 Access Restriction 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.
4.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Apple iOS up to 4.0.0. This affects an unknown function of the component Access Restriction. Performing a manipulation results in access control. This vulnerability is reported as CVE-2011-3257. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Apple iOS up to 4.0.0 (Smartphone Operating System). This affects an unknown functionality of the component Access Restriction. 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. The summary by CVE is:

The Data Access component in Apple iOS before 5 does not properly handle the existence of multiple user accounts on the same mail server, which allows local users to bypass intended access restrictions in opportunistic circumstances by leveraging a different account s cookie.

The weakness was disclosed 10/14/2011 (Website). It is possible to read the advisory at lists.apple.com. This vulnerability is uniquely identified as CVE-2011-3257 since 08/19/2011. The exploitability is told to be easy. Attacking locally is a requirement. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/24/2021). It is expected to see the exploit prices for this product increasing in the near future.The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 60026 (Apple iOS < 5.0 Multiple Vulnerabilities (BEAST)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mobile Devices.

Upgrading to version 4.0.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (70553), Tenable (60026), SecurityFocus (BID 50156†), OSVDB (76325†) and Vulnerability Center (SBV-47756†). The entries VDB-4441, VDB-10941, VDB-59076 and VDB-59075 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 60026
Nessus Name: Apple iOS < 5.0 Multiple Vulnerabilities (BEAST)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iOS 4.0.1

Timelineinfo

08/19/2011 🔍
10/12/2011 +54 days 🔍
10/12/2011 +0 days 🔍
10/14/2011 +2 days 🔍
10/14/2011 +0 days 🔍
12/22/2014 +1165 days 🔍
03/23/2015 +91 days 🔍
11/24/2021 +2438 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: lists.apple.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-3257 (🔍)
GCVE (CVE): GCVE-0-2011-3257
GCVE (VulDB): GCVE-100-59067
X-Force: 70553
SecurityFocus: 50156 - Apple iOS Mail Cookie Synchronization Validation Information Disclosure Vulnerability
OSVDB: 76325
Vulnerability Center: 47756 - Apple iOS <5 Data Access Component Local Access Restrictions Bypass Vulnerability via a Different Account's Cookie, Low

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

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/24/2021 02:39
Changes: 03/23/2015 16:50 (61), 06/16/2017 04:27 (5), 11/24/2021 02:39 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!