D-Link DSL-2640B MAC Address Parser improper authentication

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.
6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in D-Link DSL-2640B. It has been classified as problematic. The affected element is an unknown function of the component MAC Address Parser. This manipulation causes improper authentication. This vulnerability is handled as CVE-2012-1309. Additionally, an exploit exists.

Detailsinfo

A vulnerability classified as critical was found in D-Link DSL-2640B (unknown version). Affected by this vulnerability is an unknown code block of the component MAC Address Parser. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, and integrity.

The weakness was released 02/23/2012 by Ivano Binetti (Website). The advisory is shared at ivanobinetti.blogspot.com. The public release happened without involvement of D-Link. This vulnerability is known as CVE-2012-1309 since 02/27/2012. The exploitation appears to be easy. Access to the local network is required for this attack. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Ivano Binetti and been published immediately after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (73379), Exploit-DB (18511), SecurityFocus (BID 52129†) and OSVDB (79617†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.1
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Ivano Binetti
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

02/22/2012 🔍
02/23/2012 +1 days 🔍
02/23/2012 +0 days 🔍
02/23/2012 +0 days 🔍
02/27/2012 +4 days 🔍
03/05/2012 +7 days 🔍
08/16/2024 +4547 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: ivanobinetti.blogspot.com
Researcher: Ivano Binetti
Status: Not defined

CVE: CVE-2012-1309 (🔍)
GCVE (CVE): GCVE-0-2012-1309
GCVE (VulDB): GCVE-100-4681
X-Force: 73379 - D-Link DSL-2640B security bypass, Medium Risk
SecurityFocus: 52129 - D-Link DSL-2640B MAC Address Authentication Bypass Vulnerability
OSVDB: 79617

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/05/2012 01:00
Updated: 08/16/2024 13:54
Changes: 03/05/2012 01:00 (45), 04/02/2019 10:25 (10), 08/16/2024 13:54 (20)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!