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Bug#601305: kfreebsd-8: pseudofs null ptr dereference exploit



On Sun, 24 Oct 2010, Michael Gilbert wrote:

package: kfreebsd-7
version: 7.3-7
severity: serious
tags: security

another freebsd privilege escalation has been disclosed:
http://www.exploit-db.com/exploits/15206/

this seems different than the recent CVE advisories.  i haven't
checked any of this, but they claim 7.0-7.2 are affected and don't
mention 8, so who knows if its affected.  all of this should be
checked.

It looks like http://seclists.org/fulldisclosure/2010/Sep/107

The bug was fixed in following commit:

http://svn.freebsd.org/viewvc/base?view=revision&revision=196689

Nevertheless it was not recognized as security vulnerability. The following versions are vulnerable:

7.0-RELEASE
7.1-RELEASE
7.2-RELEASE
8.0-RELEASE (system crash only)

Not vulnerable versions:

6.x-RELEASE
7.3-RELEASE
8.1-RELEASE
7-STABLE and 8-STABLE after 05/09/2009



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