dhcpcd 5.2.10 input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in dhcpcd 5.2.10 and classified as critical. Affected by this vulnerability is an unknown functionality. Such manipulation leads to input validation. This vulnerability is listed as CVE-2011-0996. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in dhcpcd 5.2.10. It has been rated as critical. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

dhcpcd before 5.2.12 allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a DHCP message.

The weakness was presented 04/13/2011 with SuSE (Website). The advisory is shared for download at roy.marples.name. This vulnerability is handled as CVE-2011-0996. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 75469 (openSUSE Security Update : dhcpcd (openSUSE-SU-2011:0385-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165189 (SUSE Security Update for Multiple Packages (SUSE-SR:2011:007)).

Upgrading to version 5.2.10 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (66641), Tenable (75469), SecurityFocus (BID 47272†) and Vulnerability Center (SBV-31002†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 75469
Nessus Name: openSUSE Security Update : dhcpcd (openSUSE-SU-2011:0385-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 71956
OpenVAS Name: Slackware Advisory SSA:2011-210-02 dhcpcd
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: dhcpcd 5.2.10

Timelineinfo

02/14/2011 🔍
04/06/2011 +51 days 🔍
04/08/2011 +2 days 🔍
04/12/2011 +4 days 🔍
04/13/2011 +1 days 🔍
04/13/2011 +0 days 🔍
06/13/2014 +1157 days 🔍
03/23/2015 +283 days 🔍
02/02/2025 +3604 days 🔍

Sourcesinfo

Advisory: roy.marples.name
Organization: SuSE
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-0996 (🔍)
GCVE (CVE): GCVE-0-2011-0996
GCVE (VulDB): GCVE-100-57068
X-Force: 66641
SecurityFocus: 47272 - dhcpcd 'hostname' Remote Arbitrary Shell Command Injection Vulnerability
Secunia: 44070
Vulnerability Center: 31002 - dhcpcd before 5.2.12 Remote Arbitrary Shell Commands Execution via a DHCP Hostname Response, High

Entryinfo

Created: 03/23/2015 16:50
Updated: 02/02/2025 07:09
Changes: 03/23/2015 16:50 (58), 05/05/2019 16:08 (9), 11/02/2021 08:54 (4), 11/02/2021 08:55 (1), 02/02/2025 07:09 (18)
Complete: 🔍
Cache ID: 216::103

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