Vulnerability Details : CVE-2013-5710
The nullfs implementation in sys/fs/nullfs/null_vnops.c in the kernel in FreeBSD 8.3 through 9.2 allows local users with certain permissions to bypass access restrictions via a hardlink in a nullfs instance to a file in a different instance.
Products affected by CVE-2013-5710
- cpe:2.3:o:freebsd:freebsd:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:8.3:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.1:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:8.4:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:9.2:*:*:*:*:*:*:*
Threat overview for CVE-2013-5710
Top countries where our scanners detected CVE-2013-5710
Top open port discovered on systems with this issue
80
IPs affected by CVE-2013-5710 1
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attack surface intelligence
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Exploit prediction scoring system (EPSS) score for CVE-2013-5710
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-5710
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
3.7
|
LOW | AV:L/AC:H/Au:N/C:P/I:P/A:P |
1.9
|
6.4
|
NIST |
CWE ids for CVE-2013-5710
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-5710
-
http://www.freebsd.org/security/advisories/FreeBSD-SA-13:13.nullfs.asc
Vendor Advisory
-
http://svnweb.freebsd.org/base?view=revision&revision=255442
[base] Revision 255442
-
http://www.debian.org/security/2013/dsa-2769
Debian -- Security Information -- DSA-2769-1 kfreebsd-9
-
http://www.securitytracker.com/id/1029015
FreeBSD Kernel nullfs(5) Cross-Mount Links May Let Local Users Bypass Access Controls - SecurityTracker
-
http://secunia.com/advisories/54861
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