CVE-2006-4392

Description

The Mach kernel, as used in operating systems including (1) Mac OS X 10.4 through 10.4.7 and (2) OpenStep before 4.2, allows local users to gain privileges via a parent process that forces an exception in a setuid child and uses Mach exception ports to modify the child's thread context and task address space in a way that causes the child to call a parent-controlled function.

7.2

CVSS

Severity: High

CVSS 2.0 •

EPSS 1.06% Top 25%

Vendor Advisory apple.com Vendor Advisory secunia.com Vendor Advisory matasano.com

Affected: n/a n/a

References

Link	Tags
http://www.securityfocus.com/bid/20271	patch vdb entry
http://securitytracker.com/id?1016954	vdb entry
http://secunia.com/advisories/22187	patch vendor advisory third party advisory
http://www.vupen.com/english/advisories/2006/3852	vdb entry
http://lists.apple.com/archives/security-announce/2006/Sep/msg00002.html	patch vendor advisory
http://www.securityfocus.com/archive/1/447396/100/0/threaded	mailing list
http://www.kb.cert.org/vuls/id/838404	third party advisory us government resource
http://www.osvdb.org/29269	vdb entry
http://www.us-cert.gov/cas/techalerts/TA06-275A.html	third party advisory us government resource
http://securityreason.com/securityalert/1663	third party advisory
http://www.matasano.com/log/530/matasano-advisory-macos-x-mach-exception-server-privilege-escalation/	vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/29281	vdb entry

Frequently Asked Questions

What is the severity of CVE-2006-4392?: CVE-2006-4392 has been scored as a high severity vulnerability.
How to fix CVE-2006-4392?: To fix CVE-2006-4392, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2006-4392 being actively exploited in the wild?: It is possible that CVE-2006-4392 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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