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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.
Publish Date : 2013-09-23 Last Update Date : 2013-10-23
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CVSS Scores & Vulnerability Types
| CVSS Score |
3.7 |
| Confidentiality Impact |
Partial
(There is considerable informational disclosure.) |
| Integrity Impact |
Partial
(Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.) |
| Availability Impact |
Partial
(There is reduced performance or interruptions in resource availability.) |
| Access Complexity |
High
(Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit) |
| Authentication |
Not required
(Authentication is not required to exploit the vulnerability.) |
| Gained Access |
None |
| Vulnerability Type(s) |
Bypass a restriction or similar |
| CWE ID |
264 |
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Products Affected By CVE-2013-5710
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Number Of Affected Versions By Product
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References For CVE-2013-5710
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Metasploit Modules Related To CVE-2013-5710
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