Executive Summary

Summary
Title vsftpd: Denial of Service
Informations
Name GLSA-201110-07 First vendor Publication 2011-10-10
Vendor Gentoo Last vendor Modification 2011-10-10
Severity (Vendor) Normal Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:N/I:N/A:P)
Cvss Base Score 4 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

A Denial of Service vulnerability was found in vsftpd.

Background

vsftpd is a very secure FTP daemon written with speed, size and security in mind.

Description

A Denial of Service vulnerability was discovered in vsftpd. Please review the CVE identifier referenced below for details.

Impact

A remote authenticated attacker could cause a Denial of Service.

Workaround

There is no known workaround at this time.

Resolution

All vsftpd users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-ftp/vsftpd-2.3.4"

References

[ 1 ] CVE-2011-0762 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0762

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-201110-07.xml

Original Source

Url : http://security.gentoo.org/glsa/glsa-201110-07.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:13784
 
Oval ID: oval:org.mitre.oval:def:13784
Title: USN-1098-1 -- vsftpd vulnerability
Description: It was discovered that vsftpd incorrectly handled certain glob expressions. A remote authenticated user could use a crafted glob expression to cause vftpd to consume all resources, leading to a denial of service.
Family: unix Class: patch
Reference(s): USN-1098-1
CVE-2011-0762
 Version: 5
Platform(s): Ubuntu 8.04
Ubuntu 10.10
Ubuntu 10.04
Ubuntu 9.10
Ubuntu 6.06
 Product(s): vsftpd
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:21856
 
Oval ID: oval:org.mitre.oval:def:21856
Title: RHSA-2011:0337: vsftpd security update (Important)
Description: The vsf_filename_passes_filter function in ls.c in vsftpd before 2.3.3 allows remote authenticated users to cause a denial of service (CPU consumption and process slot exhaustion) via crafted glob expressions in STAT commands in multiple FTP sessions, a different vulnerability than CVE-2010-2632.
Family: unix Class: patch
Reference(s): RHSA-2011:0337-01
CVE-2011-0762
CESA-2011:0337-CentOS 5
 Version: 6
Platform(s): Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 5
CentOS Linux 5
 Product(s): vsftpd
Definition Synopsis:
Definition Id: oval:org.mitre.oval:def:23346
 
Oval ID: oval:org.mitre.oval:def:23346
Title: ELSA-2011:0337: vsftpd security update (Important)
Description: The vsf_filename_passes_filter function in ls.c in vsftpd before 2.3.3 allows remote authenticated users to cause a denial of service (CPU consumption and process slot exhaustion) via crafted glob expressions in STAT commands in multiple FTP sessions, a different vulnerability than CVE-2010-2632.
Family: unix Class: patch
Reference(s): ELSA-2011:0337-01
CVE-2011-0762
 Version: 6
Platform(s): Oracle Linux 6
 Product(s): vsftpd
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 5
Os 3
Os 3
Os 3
Os 4

ExploitDB Exploits

id Description
2011-03-02 vsftpd 2.3.2 Denial of Service Vulnerability

OpenVAS Exploits

Date Description
2012-07-30 Name : CentOS Update for vsftpd CESA-2011:0337 centos5 x86_64
File : nvt/gb_CESA-2011_0337_vsftpd_centos5_x86_64.nasl
2012-02-12 Name : Gentoo Security Advisory GLSA 201110-07 (vsftpd)
File : nvt/glsa_201110_07.nasl
2011-10-16 Name : Debian Security Advisory DSA 2305-1 (vsftpd)
File : nvt/deb_2305_1.nasl
2011-08-09 Name : CentOS Update for vsftpd CESA-2011:0337 centos5 i386
File : nvt/gb_CESA-2011_0337_vsftpd_centos5_i386.nasl
2011-04-01 Name : Ubuntu Update for vsftpd vulnerability USN-1098-1
File : nvt/gb_ubuntu_USN_1098_1.nasl
2011-03-24 Name : Fedora Update for vsftpd FEDORA-2011-2590
File : nvt/gb_fedora_2011_2590_vsftpd_fc14.nasl
2011-03-24 Name : Fedora Update for vsftpd FEDORA-2011-2615
File : nvt/gb_fedora_2011_2615_vsftpd_fc13.nasl
2011-03-24 Name : Mandriva Update for vsftpd MDVSA-2011:049 (vsftpd)
File : nvt/gb_mandriva_MDVSA_2011_049.nasl
2011-03-15 Name : CentOS Update for vsftpd CESA-2011:0337 centos4 i386
File : nvt/gb_CESA-2011_0337_vsftpd_centos4_i386.nasl
2011-03-15 Name : RedHat Update for vsftpd RHSA-2011:0337-01
File : nvt/gb_RHSA-2011_0337-01_vsftpd.nasl
2011-03-03 Name : vsftpd FTP Server 'ls.c' Remote Denial of Service Vulnerability
File : nvt/gb_vsftpd_46617.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
73340 vsftpd ls.c vsf_filename_passes_filter STAT Command glob Expression Remote DoS

Snort® IPS/IDS

Date Description
2014-01-10 STAT overflow attempt
RuleID : 1379-community - Revision : 23 - Type : PROTOCOL-FTP
2014-01-10 STAT overflow attempt
RuleID : 1379 - Revision : 23 - Type : PROTOCOL-FTP

Nessus® Vulnerability Scanner

Date Description
2014-06-13 Name : The remote openSUSE host is missing a security update.
File : suse_11_4_vsftpd-110308.nasl - Type : ACT_GATHER_INFO
2014-06-13 Name : The remote openSUSE host is missing a security update.
File : suse_11_3_vsftpd-110308.nasl - Type : ACT_GATHER_INFO
2013-07-12 Name : The remote Oracle Linux host is missing a security update.
File : oraclelinux_ELSA-2011-0337.nasl - Type : ACT_GATHER_INFO
2012-08-01 Name : The remote Scientific Linux host is missing a security update.
File : sl_20110309_vsftpd_on_SL4_x.nasl - Type : ACT_GATHER_INFO
2011-12-13 Name : The remote SuSE 10 host is missing a security-related patch.
File : suse_vsftpd-7408.nasl - Type : ACT_GATHER_INFO
2011-10-12 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201110-07.nasl - Type : ACT_GATHER_INFO
2011-09-20 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-2305.nasl - Type : ACT_GATHER_INFO
2011-05-06 Name : The remote SuSE 9 host is missing a security-related patch.
File : suse9_12690.nasl - Type : ACT_GATHER_INFO
2011-05-06 Name : The remote openSUSE host is missing a security update.
File : suse_11_2_vsftpd-110308.nasl - Type : ACT_GATHER_INFO
2011-05-06 Name : The remote SuSE 11 host is missing a security update.
File : suse_11_vsftpd-110308.nasl - Type : ACT_GATHER_INFO
2011-05-06 Name : The remote SuSE 10 host is missing a security-related patch.
File : suse_vsftpd-7373.nasl - Type : ACT_GATHER_INFO
2011-03-30 Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-1098-1.nasl - Type : ACT_GATHER_INFO
2011-03-22 Name : The remote Mandriva Linux host is missing a security update.
File : mandriva_MDVSA-2011-049.nasl - Type : ACT_GATHER_INFO
2011-03-17 Name : The remote FTP server is prone to a denial of service attack.
File : vsftpd_2_3_3.nasl - Type : ACT_GATHER_INFO
2011-03-16 Name : The remote Fedora host is missing a security update.
File : fedora_2011-2567.nasl - Type : ACT_GATHER_INFO
2011-03-15 Name : The remote Fedora host is missing a security update.
File : fedora_2011-2615.nasl - Type : ACT_GATHER_INFO
2011-03-15 Name : The remote Fedora host is missing a security update.
File : fedora_2011-2590.nasl - Type : ACT_GATHER_INFO
2011-03-11 Name : The remote CentOS host is missing a security update.
File : centos_RHSA-2011-0337.nasl - Type : ACT_GATHER_INFO
2011-03-10 Name : The remote Red Hat host is missing one or more security updates.
File : redhat-RHSA-2011-0337.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2014-02-17 11:37:00
  • Multiple Updates