Executive Summary

Summary
Title nbd: Multiple vulnerabilities
Informations
Name GLSA-201206-35 First vendor Publication 2012-06-25
Vendor Gentoo Last vendor Modification 2012-06-25
Severity (Vendor) High 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:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

Multiple vulnerabilities were found in nbd, which could lead to remote execution of arbitrary code.

Background

nbd is a userland client/server for kernel network block device.

Description

Multiple vulnerabilities have been discovered in nbd. Please review the CVE identifiers referenced below for details.

Impact

nbd allows remote attackers to cause a denial of service (NULL pointer dereference and crash) or the execution of arbitrary code.

Workaround

There is no known workaround at this time.

Resolution

All nbd users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-block/nbd-2.9.22"

References

[ 1 ] CVE-2011-0530 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0530
[ 2 ] CVE-2011-1925 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1925

Availability

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

http://security.gentoo.org/glsa/glsa-201206-35.xml

Original Source

Url : http://security.gentoo.org/glsa/glsa-201206-35.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-119 Failure to Constrain Operations within the Bounds of a Memory Buffer

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:13864
 
Oval ID: oval:org.mitre.oval:def:13864
Title: USN-1155-1 -- nbd vulnerability
Description: nbd: Network Block Device protocol An attacker could send crafted input to NBD and cause it to crash or to run arbitrary programs.
Family: unix Class: patch
Reference(s): USN-1155-1
CVE-2011-0530
 Version: 5
Platform(s): Ubuntu 10.10
Ubuntu 8.04
Ubuntu 10.04
 Product(s): nbd
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 29

OpenVAS Exploits

Date Description
2012-08-10 Name : Gentoo Security Advisory GLSA 201206-35 (nbd)
File : nvt/glsa_201206_35.nasl
2011-08-27 Name : Fedora Update for firefox FEDORA-2011-11084
File : nvt/gb_fedora_2011_11084_firefox_fc14.nasl
2011-08-27 Name : Fedora Update for galeon FEDORA-2011-11084
File : nvt/gb_fedora_2011_11084_galeon_fc14.nasl
2011-08-27 Name : Fedora Update for gnome-python2-extras FEDORA-2011-11084
File : nvt/gb_fedora_2011_11084_gnome-python2-extras_fc14.nasl
2011-08-27 Name : Fedora Update for gnome-web-photo FEDORA-2011-11084
File : nvt/gb_fedora_2011_11084_gnome-web-photo_fc14.nasl
2011-08-27 Name : Fedora Update for mozvoikko FEDORA-2011-11084
File : nvt/gb_fedora_2011_11084_mozvoikko_fc14.nasl
2011-08-27 Name : Fedora Update for perl-Gtk2-MozEmbed FEDORA-2011-11084
File : nvt/gb_fedora_2011_11084_perl-Gtk2-MozEmbed_fc14.nasl
2011-08-27 Name : Fedora Update for thunderbird-lightning FEDORA-2011-11084
File : nvt/gb_fedora_2011_11084_thunderbird-lightning_fc14.nasl
2011-08-27 Name : Fedora Update for thunderbird FEDORA-2011-11084
File : nvt/gb_fedora_2011_11084_thunderbird_fc14.nasl
2011-08-27 Name : Fedora Update for xulrunner FEDORA-2011-11084
File : nvt/gb_fedora_2011_11084_xulrunner_fc14.nasl
2011-08-27 Name : Fedora Update for thunderbird-lightning FEDORA-2011-11087
File : nvt/gb_fedora_2011_11087_thunderbird-lightning_fc15.nasl
2011-08-27 Name : Fedora Update for thunderbird FEDORA-2011-11087
File : nvt/gb_fedora_2011_11087_thunderbird_fc15.nasl
2011-06-24 Name : Ubuntu Update for nbd USN-1155-1
File : nvt/gb_ubuntu_USN_1155_1.nasl
2011-03-09 Name : Debian Security Advisory DSA 2183-1 (nbd)
File : nvt/deb_2183_1.nasl
2011-02-18 Name : Fedora Update for nbd FEDORA-2011-1097
File : nvt/gb_fedora_2011_1097_nbd_fc13.nasl
2011-02-18 Name : Fedora Update for nbd FEDORA-2011-1108
File : nvt/gb_fedora_2011_1108_nbd_fc14.nasl

Open Source Vulnerability Database (OSVDB)

Id Description
73463 Network Block Device nbd-server.c mainloop Function Remote Overflow
73402 Network Block Device nbd-server.c negotiate() Function Negotiation Packet Han...
21848 Network Block Device (NBD) Server Request Handling Remote Overflow

A remote overflow exists in Network Block Device (NBD). The application fails to perform proper bounds checking resulting in a buffer overflow. With a specially crafted request, a remote attacker can cause arbitrary code execution resulting in a loss of integrity.

Nessus® Vulnerability Scanner

Date Description
2014-06-13 Name : The remote openSUSE host is missing a security update.
File : suse_11_3_nbd-110228.nasl - Type : ACT_GATHER_INFO
2014-06-13 Name : The remote openSUSE host is missing a security update.
File : suse_11_3_nbd-110405.nasl - Type : ACT_GATHER_INFO
2014-06-13 Name : The remote openSUSE host is missing a security update.
File : suse_11_4_nbd-110405.nasl - Type : ACT_GATHER_INFO
2012-06-26 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201206-35.nasl - Type : ACT_GATHER_INFO
2011-12-13 Name : The remote SuSE 10 host is missing a security-related patch.
File : suse_nbd-7450.nasl - Type : ACT_GATHER_INFO
2011-06-21 Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-1155-1.nasl - Type : ACT_GATHER_INFO
2011-05-05 Name : The remote openSUSE host is missing a security update.
File : suse_11_2_nbd-110228.nasl - Type : ACT_GATHER_INFO
2011-05-05 Name : The remote openSUSE host is missing a security update.
File : suse_11_2_nbd-110405.nasl - Type : ACT_GATHER_INFO
2011-04-15 Name : The remote SuSE 10 host is missing a security-related patch.
File : suse_nbd-7455.nasl - Type : ACT_GATHER_INFO
2011-03-07 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-2183.nasl - Type : ACT_GATHER_INFO
2011-02-16 Name : The remote Fedora host is missing a security update.
File : fedora_2011-1097.nasl - Type : ACT_GATHER_INFO
2011-02-16 Name : The remote Fedora host is missing a security update.
File : fedora_2011-1108.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2014-02-17 11:37:27
  • Multiple Updates