CVE-2013-5666

Description

The sendfile system-call implementation in sys/kern/uipc_syscalls.c in the kernel in FreeBSD 9.2-RC1 and 9.2-RC2 does not properly pad transmissions, which allows local users to obtain sensitive information (kernel memory) via a length greater than the length of the file.

Category

4.7
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.freebsd.org/security/advisories/FreeBSD-SA-13%3a11.sendfile.asc vendor advisory
http://osvdb.org/97142 vdb entry
http://www.securitytracker.com/id/1029013 vdb entry
http://svnweb.freebsd.org/base?view=revision&revision=255442

Frequently Asked Questions

What is the severity of CVE-2013-5666?
CVE-2013-5666 has been scored as a medium severity vulnerability.
How to fix CVE-2013-5666?
To fix CVE-2013-5666, 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-2013-5666 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2013-5666 is being actively exploited. 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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