Vulnerability Details : 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.
Vulnerability category: Information leak
Exploit prediction scoring system (EPSS) score for CVE-2013-5666
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2013-5666
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.7
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:N/A:N |
3.4
|
6.9
|
NIST |
CWE ids for CVE-2013-5666
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-5666
-
http://svnweb.freebsd.org/base?view=revision&revision=255442
[base] Revision 255442
-
http://www.freebsd.org/security/advisories/FreeBSD-SA-13%3a11.sendfile.asc
Vendor Advisory
-
http://www.securitytracker.com/id/1029013
FreeBSD Kernel sendfile(2) Discloses Kernel Memory Contents to Local Users - SecurityTracker
Products affected by CVE-2013-5666
- cpe:2.3:o:freebsd:freebsd:9.2:rc2:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.2:rc1:*:*:*:*:*:*