CVE-2009-3527

Public Exploit

Description

Race condition in the Pipe (IPC) close function in FreeBSD 6.3 and 6.4 allows local users to cause a denial of service (crash) or gain privileges via vectors related to kqueues, which triggers a use after free, leading to a NULL pointer dereference or memory corruption.

Category

6.9
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory freebsd.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id?1022982 vdb entry patch
http://security.freebsd.org/advisories/FreeBSD-SA-09:13.pipe.asc patch vendor advisory
http://osvdb.org/58544 vdb entry
http://www.securityfocus.com/archive/1/506449 mailing list exploit
http://www.securityfocus.com/bid/36375 vdb entry patch

Frequently Asked Questions

What is the severity of CVE-2009-3527?
CVE-2009-3527 has been scored as a medium severity vulnerability.
How to fix CVE-2009-3527?
To fix CVE-2009-3527, 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-2009-3527 being actively exploited in the wild?
It is possible that CVE-2009-3527 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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