Apple Mac OS X up to 10.6.4 International Components for Unicode memory corruption

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

Summaryinfo

A vulnerability marked as critical has been reported in Apple Mac OS X up to 10.6.4. This vulnerability affects unknown code of the component International Components for Unicode. This manipulation causes memory corruption. This vulnerability is registered as CVE-2011-0206. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple Mac OS X up to 10.6.4 (Operating System) and classified as critical. Affected by this vulnerability is an unknown code of the component International Components for Unicode. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in International Components for Unicode (ICU) in Apple Mac OS X before 10.6.8 allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via vectors involving uppercase strings.

The weakness was published 06/24/2011 with Mozilla as HT4723 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2011-0206 since 12/23/2010. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 55416 (Mac OS X 10.6.x < 10.6.8 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 119436 (Apple Safari Prior to 5.1 and 5.0.6 Multiple Vulnerabilities (APPLE-SA-2011-07-20-1)).

Upgrading to version 10.6.5 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (68217), Tenable (55416), SecurityFocus (BID 48429†) and Vulnerability Center (SBV-32011†). Similar entries are available at VDB-4323, VDB-4377, VDB-4401 and VDB-55470. Be aware that VulDB is the high quality 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: 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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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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 55416
Nessus Name: Mac OS X 10.6.x < 10.6.8 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 902466
OpenVAS Name: Mac OS X v10.6.8 Multiple Vulnerabilities (2011-004)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mac OS X 10.6.5

Timelineinfo

12/23/2010 🔍
06/23/2011 +182 days 🔍
06/23/2011 +0 days 🔍
06/24/2011 +1 days 🔍
06/24/2011 +0 days 🔍
06/26/2011 +2 days 🔍
03/23/2015 +1366 days 🔍
11/13/2021 +2427 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT4723
Organization: Mozilla
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-0206 (🔍)
GCVE (CVE): GCVE-0-2011-0206
GCVE (VulDB): GCVE-100-57775
X-Force: 68217
SecurityFocus: 48429 - Apple Mac OS X ICU (CVE-2011-0206) Buffer Overflow Vulnerability
Vulnerability Center: 32011 - ICU in Apple Mac OS X before 10.6.8 Remote Buffer Overflow Vulnerability, Critical

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

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/13/2021 14:00
Changes: 03/23/2015 16:50 (64), 03/24/2017 18:36 (11), 11/13/2021 14:00 (3)
Complete: 🔍
Cache ID: 216:7BE:103

Be aware that VulDB is the high quality source for vulnerability data.

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