Apple Mac OS X searchfs integer overflow

macos-searchfs-bo (18980)

High Risk

Description:

Apple Mac OS X is vulnerable to an integer overflow in the searchfs function, caused by improper handling of the sizeofsearchparams1 and sizeofsearchparams2 variables in a fssearchblock structure. A local attacker could exploit this vulnerability to overflow a buffer and execute arbitrary code on the system with elevated privileges.

Platforms Affected:

• Apple, Mac OS X 10.0
• Apple, Mac OS X 10.0.4
• Apple, Mac OS X 10.1
• Apple, Mac OS X 10.1.1
• Apple, Mac OS X 10.1.2
• Apple, Mac OS X 10.1.3
• Apple, Mac OS X 10.1.4
• Apple, Mac OS X 10.1.5
• Apple, Mac OS X 10.2
• Apple, Mac OS X 10.2.1
• Apple, Mac OS X 10.2.2
• Apple, Mac OS X 10.2.3
• Apple, Mac OS X 10.2.4
• Apple, Mac OS X 10.2.5
• Apple, Mac OS X 10.2.6
• Apple, Mac OS X 10.2.7
• Apple, Mac OS X 10.2.8
• Apple, Mac OS X 10.3
• Apple, Mac OS X 10.3.1
• Apple, Mac OS X 10.3.2
• Apple, Mac OS X 10.3.3
• Apple, Mac OS X 10.3.4
• Apple, Mac OS X 10.3.5
• Apple, Mac OS X 10.3.6
• Apple, Mac OS X 10.3.7
• Apple, Mac OS X 10.3.8
• Apple, Mac OS X Server 10.0
• Apple, Mac OS X Server 10.0.1
• Apple, Mac OS X Server 10.0.2
• Apple, Mac OS X Server 10.0.3
• Apple, Mac OS X Server 10.1
• Apple, Mac OS X Server 10.1.1
• Apple, Mac OS X Server 10.1.2
• Apple, Mac OS X Server 10.1.3
• Apple, Mac OS X Server 10.1.4
• Apple, Mac OS X Server 10.1.5
• Apple, Mac OS X Server 10.2
• Apple, Mac OS X Server 10.2.1
• Apple, Mac OS X Server 10.2.2
• Apple, Mac OS X Server 10.2.3
• Apple, Mac OS X Server 10.2.4
• Apple, Mac OS X Server 10.2.5
• Apple, Mac OS X Server 10.2.6
• Apple, Mac OS X Server 10.2.7
• Apple, Mac OS X Server 10.2.8
• Apple, Mac OS X Server 10.3
• Apple, Mac OS X Server 10.3.1
• Apple, Mac OS X Server 10.3.2
• Apple, Mac OS X Server 10.3.3
• Apple, Mac OS X Server 10.3.4
• Apple, Mac OS X Server 10.3.5
• Apple, Mac OS X Server 10.3.6
• Apple, Mac OS X Server 10.3.7
• Apple, Mac OS X Server 10.3.8

Remedy:

Refer to APPLE-SA-2005-04-15 for patch, upgrade, or suggested workaround information. See References.

Consequences:

Gain Privileges

References:

• Apple Web site, About the security content of the Mac OS X 10.3.9 Update at http://docs.info.apple.com/article.html?artnum=301327.
• APPLE-SA-2005-04-15, Mac OS X v10.3.9 at http://lists.apple.com/archives/security-announce/2005/Apr/msg00000.html.
• CIAC INFORMATION BULLETIN P-185, Apple Mac OS X v10.3.9 Security Update at http://www.ciac.org/ciac/bulletins/p-185.shtml.
• Immunity Inc. Security Advisory, Various Kernel Level Vulnerabilities in Mac OS X 10.3.x at http://www.immunitysec.com/downloads/nukido.pdf.
• BID-12295: Apple Mac OS X Kernel SearchFS Integer Overflow Vulnerability
• CVE-2005-0972: Integer overflow in the searchfs system call in Mac OS X 10.3.9 and earlier allows local users to execute arbitrary code via crafted parameters.

Reported:

Jan 20, 2005

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