CVE-2013-5666

medium

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.

References

http://www.securitytracker.com/id/1029013

http://www.freebsd.org/security/advisories/FreeBSD-SA-13%3a11.sendfile.asc

http://svnweb.freebsd.org/base?view=revision&revision=255442

http://osvdb.org/97142

Details

Source: Mitre, NVD

Published: 2013-09-23

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 4.7

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Severity: Medium

EPSS

EPSS: 0.00068