dhcpcd up to 6.4.2 DHCP Server get_option resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in dhcpcd up to 6.4.2 and classified as problematic. This impacts the function get_option of the component DHCP Server. Executing a manipulation can lead to resource management. This vulnerability is handled as CVE-2014-6060. The attack can only be done within the local network. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in dhcpcd up to 6.4.2 and classified as problematic. This vulnerability affects the function get_option of the component DHCP Server. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

The get_option function in dhcpcd 4.0.0 through 6.x before 6.4.3 allows remote DHCP servers to cause a denial of service by resetting the DHO_OPTIONSOVERLOADED option in the (1) bootfile or (2) servername section, which triggers the option to be processed again.

The weakness was released 09/04/2014 by Tobias Stoeckmann (Website). The advisory is shared for download at slackware.com. This vulnerability was named CVE-2014-6060 since 09/01/2014. The exploitation appears to be easy. The attack needs to be initiated within the local network. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 76975 (Slackware 13.1 / 13.37 / 14.0 / 14.1 / current : dhcpcd (SSA:2014-213-02)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Slackware Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (76975), SecurityFocus (BID 68970†) and Vulnerability Center (SBV-46020†). Entries connected to this vulnerability are available at VDB-81567 and VDB-81568. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 76975
Nessus Name: Slackware 13.1 / 13.37 / 14.0 / 14.1 / current : dhcpcd (SSA:2014-213-02)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 18627
OpenVAS Name: Gentoo Linux Local Check: https://security.gentoo.org/glsa/201409-03
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/30/2014 🔍
08/01/2014 +2 days 🔍
08/04/2014 +3 days 🔍
09/01/2014 +28 days 🔍
09/04/2014 +3 days 🔍
09/04/2014 +0 days 🔍
09/04/2014 +0 days 🔍
09/09/2014 +4 days 🔍
03/26/2015 +198 days 🔍
05/05/2019 +1501 days 🔍

Sourcesinfo

Advisory: slackware.com
Researcher: Tobias Stoeckmann
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-6060 (🔍)
GCVE (CVE): GCVE-0-2014-6060
GCVE (VulDB): GCVE-100-70816
SecurityFocus: 68970 - dhcpcd 'dhcp.c' Denial of Service Vulnerability
Vulnerability Center: 46020 - dhcpcd 4.0.0 Before 6.4.3 Remote DoS via Resetting the DHO_OPTIONSOVERLOADED Option, Medium

See also: 🔍

Entryinfo

Created: 03/26/2015 15:08
Updated: 05/05/2019 16:08
Changes: 03/26/2015 15:08 (56), 05/05/2019 16:08 (17)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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