CVE-2013-5666

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Summary

CVECVE-2013-5666
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2013-09-23 20:55:07 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 4.7 from [email protected]

AV:L/AC:M/Au:N/C:C/I:N/A:N

Problem Types: CWE-200 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
None
Availability
None

AV:L/AC:M/Au:N/C:C/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Freebsd Freebsd 9.2 rc1 All All
Operating System Freebsd Freebsd 9.2 rc2 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
FreeBSD Kernel sendfile(2) Discloses Kernel Memory Contents to Local Users - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
osvdb.org/97142 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
www.freebsd.org/security/advisories/FreeBSD-SA-13%3a11.sendfile.asc af854a3a-2127-422b-91ae-364da2661108 www.freebsd.org Vendor Advisory
[base] Revision 255442 af854a3a-2127-422b-91ae-364da2661108 svnweb.freebsd.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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