Apple Mac OS X up to 10.3.4 searchfs sizeofsearchparams integer coercion

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

A vulnerability was found in Apple Mac OS X up to 10.3.4 (Operating System). It has been declared as problematic. This vulnerability affects the function searchfs. The manipulation of the argument sizeofsearchparams with an unknown input leads to a integer coercion vulnerability. The CWE definition for the vulnerability is CWE-192. Integer coercion refers to a set of flaws pertaining to the type casting, extension, or truncation of primitive data types. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Integer signedness error in the parse_machfile function in the mach-o loader (mach_loader.c) for the Darwin Kernel as used in Mac OS X 10.3.7, and other versions before 10.3.9, allows local users to cause a denial of service (CPU consumption) via a crafted mach-o header.

The bug was discovered 04/18/2005. The weakness was published 01/20/2005 by Dave Aitel (nemo) with Immunity, Inc. (Website). The advisory is available at immunitysec.com. This vulnerability was named CVE-2005-0975 since 04/05/2005. The attack can only be initiated within the local network. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

A public exploit has been developed in ANSI C. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 18062 (Mac OS X 10.3.x < 10.3.9 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 and running in the context l.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at apple.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (18979), Tenable (18062), SecurityFocus (BID 12314†), OSVDB (15641†) and Secunia (SA13902†). Similar entries are available at VDB-1152, VDB-1151, VDB-1373 and VDB-1378. Once again VulDB remains the best source for vulnerability data.

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CPE 2.3info

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CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Integer coercion
CWE: CWE-192 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

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Nessus ID: 18062
Nessus Name: Mac OS X 10.3.x < 10.3.9 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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0-Day Time: 🔍
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Patch: apple.com

Timelineinfo

01/19/2005 🔍
01/20/2005 +1 days 🔍
01/20/2005 +0 days 🔍
01/24/2005 +4 days 🔍
04/05/2005 +71 days 🔍
04/12/2005 +7 days 🔍
04/16/2005 +4 days 🔍
04/16/2005 +0 days 🔍
04/17/2005 +1 days 🔍
04/18/2005 +0 days 🔍
05/02/2005 +14 days 🔍
07/07/2024 +7006 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: immunitysec.com
Researcher: Dave Aitel (nemo)
Organization: Immunity, Inc.
Status: Confirmed

CVE: CVE-2005-0975 (🔍)
X-Force: 18979
SecurityFocus: 12314 - Darwin Kernel Mach File Parsing Local Integer Overflow Vulnerability
Secunia: 13902 - Mac OS X Multiple Vulnerabilities, Less Critical
OSVDB: 15641 - Apple Mac OS X Executable Parsing System DoS
SecurityTracker: 1013735
Vulnerability Center: 7838
Vupen: ADV-2005-0041

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

Entryinfo

Created: 01/24/2005 10:47 AM
Updated: 07/07/2024 10:55 PM
Changes: 01/24/2005 10:47 AM (92), 07/01/2019 09:31 AM (3), 07/07/2024 10:55 PM (17)
Complete: 🔍
Cache ID: 18:9D7:40

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