CVE-2013-4851
FreeBSD NFS Server NFS Permissions Bypass
Description
The vfs_hang_addrlist function in sys/kern/vfs_export.c in the NFS server implementation in the kernel in FreeBSD 8.3 and 9.x through 9.1-RELEASE-p5 controls authorization for host/subnet export entries on the basis of group information sent by the client, which allows remote attackers to bypass file permissions on NFS filesystems via crafted requests.
INFO
Published Date :
July 29, 2013, 1:59 p.m.
Last Modified :
March 18, 2019, 3:35 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
4.9
Exploitability Score :
10.0
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2013-4851.
| URL | Resource |
|---|---|
| http://svnweb.freebsd.org/base?view=revision&revision=244226 | |
| http://www.freebsd.org/security/advisories/FreeBSD-SA-13:08.nfsserver.asc | |
| http://www.securityfocus.com/bid/61484 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2013-4851 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2013-4851 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CPE Deprecation Remap by [email protected]
Mar. 18, 2019
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:freebsd:freebsd:9.1:release-p5:*:*:*:*:*:* OR *cpe:2.3:o:freebsd:freebsd:9.1:p5:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Mar. 18, 2019
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:freebsd:freebsd:9.1:release-p4:*:*:*:*:*:* OR *cpe:2.3:o:freebsd:freebsd:9.1:p4:*:*:*:*:*:* -
Initial Analysis by [email protected]
Jul. 29, 2013
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2013-4851 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2013-4851
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.35 }} -0.35%
score
0.71745
percentile