Apple Mac OS X up to 10.6.4 memory corruption

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.
7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple Mac OS X up to 10.6.4. It has been declared as critical. This affects an unknown part. The manipulation results in memory corruption. This vulnerability is identified as CVE-2011-0176. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Apple Mac OS X up to 10.6.4 (Operating System). Affected is some unknown processing. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Multiple buffer overflows in Apple Type Services (ATS) in Apple Mac OS X before 10.6.7 allow remote attackers to execute arbitrary code via a document that contains a crafted embedded Type 1 font.

The weakness was released 03/22/2011 by TippingPoint with TippingPoint's Zero Day Initiative as HT4581 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2011-0176. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 52754 (Mac OS X 10.6.x < 10.6.7 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 119064 (Apple Mac OS X v10.6.7 and Security Update 2011-001 Not Installed (APPLE-SA-2011-03-21-1)).

Upgrading to version 10.6.5 eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 10952.

The vulnerability is also documented in the databases at X-Force (66221), Tenable (52754), SecurityFocus (BID 46971†) and Vulnerability Center (SBV-30677†). Entries connected to this vulnerability are available at VDB-4322, VDB-4428, VDB-55692 and VDB-55689. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Support

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 52754
Nessus Name: Mac OS X 10.6.x < 10.6.7 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902470
OpenVAS Name: Mac OS X v10.6.6 Multiple Vulnerabilities (2011-001)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mac OS X 10.6.5
TippingPoint: 🔍

Timelineinfo

12/23/2010 🔍
03/21/2011 +88 days 🔍
03/21/2011 +0 days 🔍
03/22/2011 +1 days 🔍
03/22/2011 +0 days 🔍
03/28/2011 +6 days 🔍
03/20/2015 +1453 days 🔍
10/21/2021 +2407 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT4581
Researcher: TippingPoint
Organization: TippingPoint's Zero Day Initiative
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-0176 (🔍)
GCVE (CVE): GCVE-0-2011-0176
GCVE (VulDB): GCVE-100-56916
X-Force: 66221
SecurityFocus: 46971 - Apple Mac OS X Type 1 Embedded Fonts Multiple Buffer Overflow Vulnerabilities
Vulnerability Center: 30677 - Apple Mac OS X 10.6-10.6.6 Remote Arbitrary Code Execution Vulnerability via a Crafted Type 1 Font, Medium

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

Entryinfo

Created: 03/20/2015 16:16
Updated: 10/21/2021 08:15
Changes: 03/20/2015 16:16 (64), 03/20/2017 09:16 (10), 10/21/2021 08:14 (4), 10/21/2021 08:15 (2)
Complete: 🔍
Cache ID: 216:85D:103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!