Vulnerability Monitor

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CVE-2013-5666

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.

Security Impact Summary

CVE-2013-5666 is a security vulnerability that . Impacting 1 product from freebsd organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2013, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2013-09-23T20:55:07.387

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.7 (MEDIUM)

CVSSv2 Vector

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

Access Vector: LOCAL
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

3.4

Impact Score

6.9

Weaknesses

Type: Primary
CWE-200

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	freebsd	freebsd	9.2	Yes
Operating System	freebsd	freebsd	9.2	Yes

References

http://osvdb.org/97142 ([email protected])
http://svnweb.freebsd.org/base?view=revision&revision=255442 ([email protected])
http://www.freebsd.org/security/advisories/FreeBSD-SA-13%3a11.sendfile.asc Vendor Advisory ([email protected])
http://www.securitytracker.com/id/1029013 ([email protected])
http://osvdb.org/97142 (af854a3a-2127-422b-91ae-364da2661108)
http://svnweb.freebsd.org/base?view=revision&revision=255442 (af854a3a-2127-422b-91ae-364da2661108)
http://www.freebsd.org/security/advisories/FreeBSD-SA-13%3a11.sendfile.asc Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1029013 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For freebsd's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.