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7.2
HIGH CVSS 2.0
CVE-2011-4062
FreeBSD Kernel Buffer Overflow Denial of Service and Privilege Escalation
Description

Buffer overflow in the kernel in FreeBSD 7.3 through 9.0-RC1 allows local users to cause a denial of service (panic) or possibly gain privileges via a bind system call with a long pathname for a UNIX socket.

INFO

Published Date :

Oct. 18, 2011, 1:55 a.m.

Last Modified :

April 11, 2025, 12:51 a.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2011-4062 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Freebsd freebsd
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
Solution
A buffer overflow vulnerability exists in FreeBSD, which could allow for denial of service or privilege escalation.
  • Upgrade to a patched version of FreeBSD.
  • Apply the latest security updates for your FreeBSD release.
Public PoC/Exploit Available at Github

CVE-2011-4062 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

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-2011-4062.

URL Resource
http://secunia.com/advisories/46202 Vendor Advisory
http://secunia.com/advisories/46564
http://security.freebsd.org/advisories/FreeBSD-SA-11:05.unix.asc Vendor Advisory
http://security.freebsd.org/patches/SA-11:05/unix2.patch Patch
http://www.debian.org/security/2011/dsa-2325
http://www.exploit-db.com/exploits/17908 Exploit
http://www.osvdb.org/75788
http://www.securityfocus.com/bid/49862
http://www.securitytracker.com/id?1026106
http://secunia.com/advisories/46202 Vendor Advisory
http://secunia.com/advisories/46564
http://security.freebsd.org/advisories/FreeBSD-SA-11:05.unix.asc Vendor Advisory
http://security.freebsd.org/patches/SA-11:05/unix2.patch Patch
http://www.debian.org/security/2011/dsa-2325
http://www.exploit-db.com/exploits/17908 Exploit
http://www.osvdb.org/75788
http://www.securityfocus.com/bid/49862
http://www.securitytracker.com/id?1026106
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2011-4062 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-2011-4062 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation

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).

Profile Photo
nisadevi11/Localroot-ALL-CVE

None

C Shell Python Ruby Makefile HTML Linker Script Batchfile Perl

Updated: 1 month, 2 weeks ago
5 stars 0 fork 0 watcher
Born at : Aug. 19, 2025, 3:53 a.m. This repo has been linked 93 different CVEs too.
Profile Photo
Snoopy-Sec/Localroot-ALL-CVE

Localroot-ALL-CVE~

localroot cheatsheet security kernel linux exploits cve linux-privilege-escalation cybersecurity infosec pentesting

C Shell Python Ruby Makefile HTML Perl Batchfile

Updated: 2 months, 2 weeks ago
146 stars 46 fork 46 watcher
Born at : Feb. 2, 2020, 6:25 a.m. This repo has been linked 93 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2011-4062 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2011-4062 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://secunia.com/advisories/46202
    Added Reference http://secunia.com/advisories/46564
    Added Reference http://security.freebsd.org/advisories/FreeBSD-SA-11:05.unix.asc
    Added Reference http://security.freebsd.org/patches/SA-11:05/unix2.patch
    Added Reference http://www.debian.org/security/2011/dsa-2325
    Added Reference http://www.exploit-db.com/exploits/17908
    Added Reference http://www.osvdb.org/75788
    Added Reference http://www.securityfocus.com/bid/49862
    Added Reference http://www.securitytracker.com/id?1026106
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Oct. 18, 2011

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.2
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.86 }} -0.04%

score

0.74224

percentile