Apple Mac OS X up to 10.6.5 Keychain input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.3$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Apple Mac OS X up to 10.6.5. Affected by this issue is some unknown functionality of the component Keychain. Such manipulation leads to input validation. This vulnerability is documented as CVE-2011-3422. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple Mac OS X up to 10.6.5 (Operating System). Affected by this issue is some unknown functionality of the component Keychain. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is integrity. CVE summarizes:

The Keychain implementation in Apple Mac OS X 10.6.8 and earlier does not properly handle an untrusted attribute of a Certification Authority certificate, which makes it easier for man-in-the-middle attackers to spoof arbitrary SSL servers via an Extended Validation certificate, as demonstrated by https access with Safari.

The weakness was released 09/12/2011 by Ryan Sleevi (Website). The advisory is available at lists.apple.com. This vulnerability is handled as CVE-2011-3422. 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 $5k-$25k at the moment (estimation calculated on 01/06/2025).

The vulnerability scanner Nessus provides a plugin with the ID 57797 (Mac OS X 10.7.x < 10.7.3 Multiple Vulnerabilities (BEAST)), 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 119919 (Apple Mac OS X Lion v10.7.3 and Security Update 2012-001 Not Installed (APPLE-SA-2012-02-01-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (69556), Tenable (57797), SecurityFocus (BID 49429†), SecurityTracker (ID 1026002†) and Vulnerability Center (SBV-35520†). Entries connected to this vulnerability are available at VDB-6357, VDB-60089, VDB-60088 and VDB-60087. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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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: 5.3

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

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: 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: 57797
Nessus Name: Mac OS X 10.7.x < 10.7.3 Multiple Vulnerabilities (BEAST)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802392
OpenVAS Name: Mac OS X Multiple Vulnerabilities (2012-001)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/02/2011 🔍
09/02/2011 +0 days 🔍
09/09/2011 +6 days 🔍
09/12/2011 +3 days 🔍
09/12/2011 +0 days 🔍
02/01/2012 +142 days 🔍
07/10/2012 +160 days 🔍
03/23/2015 +986 days 🔍
01/06/2025 +3577 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: lists.apple.com
Researcher: Ryan Sleevi
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-3422 (🔍)
GCVE (CVE): GCVE-0-2011-3422
GCVE (VulDB): GCVE-100-58466
X-Force: 69556
SecurityFocus: 49429 - Apple Mac OS X Keychain Certificate Settings Security Bypass Vulnerability
SecurityTracker: 1026002 - Mac OS X Keychain Certificate Settings Can Be Bypassed By Remote Users
Vulnerability Center: 35520 - Keychain Implementation in Apple Mac OS X 10.6.8 and Earlier Allows Remote Spoofing Attacks, Medium

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

Entryinfo

Created: 03/23/2015 16:50
Updated: 01/06/2025 01:26
Changes: 03/23/2015 16:50 (58), 04/14/2017 14:09 (14), 11/18/2021 20:16 (3), 11/18/2021 20:23 (1), 01/06/2025 01:26 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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