CVE-2013-5666

Current 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.

Basic Data

PublishedSeptember 23, 2013
Last ModifiedSeptember 26, 2013
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-200
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:L/AC:M/Au:N/C:C/I:N/A:N
CVSS 2 - Access VectorLOCAL
CVSS 2 - Access ComplexityMEDIUM
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactCOMPLETE
CVSS 2 - Availability ImpactNONE
CVSS 2 - Base Score4.7
SeverityMEDIUM
Exploitability Score3.4
Impact Score6.9
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

No data provided.

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3OSFreebsdFreebsd9.2rc1******
    2.3OSFreebsdFreebsd9.2rc2******

Vulnerable Software List

VendorProductVersions
Freebsd Freebsd 9.2

References

NameSourceURLTags
97142http://osvdb.org/97142OSVDB
http://svnweb.freebsd.org/base?view=revision&revision=255442http://svnweb.freebsd.org/base?view=revision&revision=255442CONFIRM
FreeBSD-SA-13:11http://www.freebsd.org/security/advisories/FreeBSD-SA-13%3a11.sendfile.ascFREEBSDVendor Advisory
1029013http://www.securitytracker.com/id/1029013SECTRACK