VDB-10498 · CVE-2013-4856 · OSVDB 97754

D-Link DIR-865L bsc_lan.php 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 described as problematic has been identified in D-Link DIR-865L. This issue affects some unknown processing of the file bsc_lan.php. Executing a manipulation can lead to improper authentication. This vulnerability appears as CVE-2013-4856. In addition, an exploit is available. Modifying the configuration settings is advised.

Detailsinfo

A vulnerability has been found in D-Link DIR-865L (Router Operating System) (unknown version) and classified as critical. This vulnerability affects an unknown code block of the file bsc_lan.php. 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.

The weakness was presented 07/26/2013 by Kedy Liu with Independent Security Evaluators as not defined advisory (Website). The advisory is available at securityevaluators.com. This vulnerability was named CVE-2013-4856 since 07/16/2013. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. By approaching the search of inurl:bsc_lan.php it is possible to find vulnerable targets with Google Hacking.

It is possible to mitigate the problem by applying the configuration setting . Restrict access to remote management via internet.

The vulnerability is also documented in the vulnerability database at OSVDB (97754†). Additional details are provided at news.cnet.com. See VDB-9805, VDB-9806, VDB-10479 and VDB-10480 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Config
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

07/16/2013 🔍
07/26/2013 +10 days 🔍
07/26/2013 +0 days 🔍
09/30/2013 +66 days 🔍
05/26/2021 +2794 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: securityevaluators.com
Researcher: Kedy Liu
Organization: Independent Security Evaluators
Status: Not defined

CVE: CVE-2013-4856 (🔍)
GCVE (CVE): GCVE-0-2013-4856
GCVE (VulDB): GCVE-100-10498
OSVDB: 97754

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 09/30/2013 16:54
Updated: 05/26/2021 01:41
Changes: 09/30/2013 16:54 (48), 03/24/2019 15:53 (3), 05/26/2021 01:33 (2), 05/26/2021 01:41 (18)
Complete: 🔍
Committer: olku
Cache ID: 216:CCC:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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!