Executive Summary

Summary
Title rsync vulnerability
Informations
Name USN-2171-1 First vendor Publication 2014-04-23
Vendor Ubuntu Last vendor Modification 2014-04-23
Severity (Vendor) N/A 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
 
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Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:C)
Cvss Base Score 7.8 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS

Summary:

rsync could be made to consume resources if it received specially crafted network traffic.

Software Description: - rsync: fast, versatile, remote (and local) file-copying tool

Details:

Ryan Finnie discovered that the rsync daemon incorrectly handled invalid usernames. A remote attacker could use this issue to cause rsync to consume resources, resulting in a denial of service.

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 14.04 LTS:
rsync 3.1.0-2ubuntu0.1

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2171-1
CVE-2014-2855

Package Information:
https://launchpad.net/ubuntu/+source/rsync/3.1.0-2ubuntu0.1

Original Source

Url : http://www.ubuntu.com/usn/USN-2171-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:24403
 
Oval ID: oval:org.mitre.oval:def:24403
Title: USN-2171-1 -- rsync vulnerability
Description: rsync could be made to consume resources if it received specially crafted network traffic.
Family: unix Class: patch
Reference(s): USN-2171-1
CVE-2014-2855
Version: 5
Platform(s): Ubuntu 14.04
Product(s): rsync
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 42

Nessus® Vulnerability Scanner

Date Description
2015-03-30 Name : The remote Mandriva Linux host is missing a security update.
File : mandriva_MDVSA-2015-131.nasl - Type : ACT_GATHER_INFO
2014-06-13 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2014-332.nasl - Type : ACT_GATHER_INFO
2014-04-24 Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-2171-1.nasl - Type : ACT_GATHER_INFO
2014-04-21 Name : The remote Fedora host is missing a security update.
File : fedora_2014-5315.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2015-11-02 21:27:25
  • Multiple Updates
2014-04-25 13:24:52
  • Multiple Updates
2014-04-24 21:26:32
  • Multiple Updates
2014-04-23 21:25:20
  • Multiple Updates
2014-04-23 17:19:11
  • First insertion