Apple iOS up to 5.1.1 WebKit International Domain Name Unicode Characters incomplete blacklist

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apple iOS up to 5.1.1. The impacted element is an unknown function of the component WebKit. Executing a manipulation as part of International Domain Name Unicode Characters can lead to incomplete blacklist. This vulnerability appears as CVE-2012-3693. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Apple iOS up to 5.1.1 (Smartphone Operating System). This vulnerability affects an unknown code block of the component WebKit. The manipulation as part of a International Domain Name Unicode Characters leads to a incomplete blacklist vulnerability. The CWE definition for the vulnerability is CWE-184. The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are not allowed by policy or otherwise require other action to neutralize before additional processing takes place, but the list is incomplete, leading to resultant weaknesses. As an impact it is known to affect integrity. CVE summarizes:

Incomplete blacklist vulnerability in WebKit in Apple Safari before 6.0 allows remote attackers to spoof domain names in URLs, and possibly conduct phishing attacks, by leveraging the availability of IDN support and Unicode fonts to construct unspecified homoglyphs.

The weakness was presented 09/19/2012 by Matt Cooley with Symantec as APPLE-SA-2012-09-19-1 as not defined posting (Website). The advisory is shared for download at prod.lists.apple.com. This vulnerability was named CVE-2012-3693 since 06/19/2012. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/04/2025). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1562.006.

The vulnerability scanner Nessus provides a plugin with the ID 60127 (Mac OS X : Apple Safari < 6.0 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120376 (Apple Safari Multiple Vulnerabilities (APPLE-SA-2012-07-25-1)).

Upgrading to version 6.0 eliminates this vulnerability. The problem might be mitigated by replacing the product with Google Android as an alternative. The best possible mitigation is suggested to be upgrading to the latest version. 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 Tenable (60127), SecurityFocus (BID 54693†) and Vulnerability Center (SBV-35758†). See VDB-5829, VDB-5830, VDB-5831 and VDB-5832 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Incomplete blacklist
CWE: CWE-184 / CWE-183 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 60127
Nessus Name: Mac OS X : Apple Safari < 6.0 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802924
OpenVAS Name: Apple Safari Multiple Vulnerabilities - July 2012 (Mac OS X)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍
Upgrade: iOS 6.0
Alternative: Google Android

Timelineinfo

06/19/2012 🔍
07/25/2012 +36 days 🔍
07/25/2012 +0 days 🔍
07/25/2012 +0 days 🔍
07/30/2012 +5 days 🔍
09/19/2012 +51 days 🔍
09/19/2012 +0 days 🔍
09/21/2012 +1 days 🔍
01/04/2025 +4488 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: APPLE-SA-2012-09-19-1
Researcher: Matt Cooley
Organization: Symantec
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-3693 (🔍)
GCVE (CVE): GCVE-0-2012-3693
GCVE (VulDB): GCVE-100-6508

OVAL: 🔍

SecurityFocus: 54693 - WebKit International CVE-2012-3693 Domain Name URI Spoofing Vulnerability
Vulnerability Center: 35758 - Apple Safari Before 6.0 WebKit Incomplete Blacklist Vulnerability Allows Remote Spoofing, Medium

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

Entryinfo

Created: 09/21/2012 13:45
Updated: 01/04/2025 20:42
Changes: 09/21/2012 13:45 (69), 04/15/2017 16:04 (11), 04/14/2021 12:10 (4), 01/04/2025 20:42 (18)
Complete: 🔍
Cache ID: 216:D4D:103

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