dhcpcd 3.2.3 DHCP Client memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.5$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in dhcpcd 3.2.3. This impacts an unknown function of the component DHCP Client. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2012-2152. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in dhcpcd 3.2.3. It has been rated as very critical. This issue affects an unknown code of the component DHCP Client. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in the get_packet method in socket.c in dhcpcd 3.2.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long packet.

The weakness was disclosed 06/23/2012 by Marcus Meissner as DSA-2498-1 as not defined advisory (Website). The advisory is shared at debian.org. The identification of this vulnerability is CVE-2012-2152 since 04/04/2012. The attack may be initiated remotely. A simple authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/02/2025).

The vulnerability scanner Nessus provides a plugin with the ID 64125 (SuSE 11.1 Security Update : dhcpcd (SAT Patch Number 6301)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165492 (SUSE Enterprise Linux Security Update for dhcpcd (SUSE-SU-2012:0767-1)).

Upgrading to version 4.0.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12543.

The vulnerability is also documented in the databases at X-Force (75336), Tenable (64125), SecurityFocus (BID 53354†), OSVDB (83228†) and Secunia (SA49679†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.5

VulDB Base Score: 9.9
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 64125
Nessus Name: SuSE 11.1 Security Update : dhcpcd (SAT Patch Number 6301)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 71481
OpenVAS Name: Debian Security Advisory DSA 2498-1 (dhcpcd)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: dhcpcd 4.0.2
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

04/04/2012 🔍
05/02/2012 +28 days 🔍
06/23/2012 +52 days 🔍
06/23/2012 +0 days 🔍
06/25/2012 +2 days 🔍
06/25/2012 +0 days 🔍
06/27/2012 +2 days 🔍
07/25/2012 +28 days 🔍
07/25/2012 +0 days 🔍
01/25/2013 +184 days 🔍
12/03/2015 +1042 days 🔍
01/02/2025 +3318 days 🔍

Sourcesinfo

Advisory: DSA-2498-1
Researcher: Marcus Meissner
Status: Confirmed

CVE: CVE-2012-2152 (🔍)
GCVE (CVE): GCVE-0-2012-2152
GCVE (VulDB): GCVE-100-5597

OVAL: 🔍

X-Force: 75336
SecurityFocus: 53354 - dhcpcd CVE-2012-2152 Remote Stack Buffer Overflow Vulnerability
Secunia: 49679 - Debian update for dhcpcd, Moderately Critical
OSVDB: 83228
Vulnerability Center: 54774 - DHCPCD 3.2.3 \x27get_packet\x27 Method Buffer Overflow Vulnerability Allows Remote DoS \\ Code Execution, High

Entryinfo

Created: 06/27/2012 15:31
Updated: 01/02/2025 10:59
Changes: 06/27/2012 15:31 (77), 05/05/2019 16:08 (11), 01/02/2025 10:59 (19)
Complete: 🔍
Cache ID: 216:C2F:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!