Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title Chrony: Multiple vulnerabilities
Informations
Name GLSA-201402-28 First vendor Publication 2014-02-28
Vendor Gentoo Last vendor Modification 2014-02-28
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:N/C:P/I:N/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

Multiple vulnerabilities have been found in Chrony, possibly allowing remote attackers to cause a Denial of Service condition.

Background

Chrony is a pair of programs which are used to maintain the accuracy of the system clock on a computer.

Description

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

Impact

A remote attacker could possibly cause a Denial of Service condition by sending specially crafted packets.

Workaround

There is no known workaround at this time.

Resolution

All Chrony users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/chrony-1.29"

References

[ 1 ] CVE-2012-4502 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4502
[ 2 ] CVE-2012-4503 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-4503

Availability

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

http://security.gentoo.org/glsa/glsa-201402-28.xml

Original Source

Url : http://security.gentoo.org/glsa/glsa-201402-28.xml

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-200 Information Exposure
50 % CWE-189 Numeric Errors (CWE/SANS Top 25)

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:19628
 
Oval ID: oval:org.mitre.oval:def:19628
Title: DSA-2760-1 chrony - several
Description: Florian Weimer discovered two security problems in the Chrony time synchronisation software (buffer overflows and use of uninitialised data in command replies).
Family: unix Class: patch
Reference(s): DSA-2760-1
CVE-2012-4502
CVE-2012-4503
 Version: 5
Platform(s): Debian GNU/Linux 6.0
Debian GNU/Linux 7
Debian GNU/kFreeBSD 6.0
Debian GNU/kFreeBSD 7
 Product(s): chrony
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 27

Nessus® Vulnerability Scanner

Date Description
2014-03-02 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201402-28.nasl - Type : ACT_GATHER_INFO
2013-09-19 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-2760.nasl - Type : ACT_GATHER_INFO
2013-08-15 Name : The remote Fedora host is missing a security update.
File : fedora_2013-14539.nasl - Type : ACT_GATHER_INFO
2013-08-12 Name : The remote Fedora host is missing a security update.
File : fedora_2013-14549.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
Date Informations
2014-03-02 13:23:41
  • Multiple Updates
2014-02-28 13:19:06
  • First insertion