VDB-124761 · CVE-2018-17880 · GCVE-0-2018-17880

D-Link DIR-823G 2018-09-19 GoAhead Configuration /HNAP1 input validation

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.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability was found in D-Link DIR-823G 2018-09-19. It has been rated as problematic. Affected is an unknown function of the file /HNAP1 of the component GoAhead Configuration. Performing a manipulation results in input validation. This vulnerability is identified as CVE-2018-17880. The attack can be initiated remotely. There is not any exploit available. It is suggested to use restrictive firewalling.

Detailsinfo

A vulnerability, which was classified as problematic, was found in D-Link DIR-823G 2018-09-19 (Router Operating System). This affects an unknown function of the file /HNAP1 of the component GoAhead Configuration. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 RunReboot commands without authentication to trigger a reboot.

The bug was discovered 10/01/2018. The weakness was released 10/03/2018 (Website). The advisory is shared at xz.aliyun.com. This vulnerability is uniquely identified as CVE-2018-17880 since 10/01/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/29/2020).

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $5k-$25k.

It is possible to mitigate the weakness by firewalling .

Entry connected to this vulnerability is available at VDB-124762. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Router Operating System

Vendor

D-Link

Name

DIR-823G

Version

2018-09-19

License

commercial

Website

Vendor: https://www.dlink.com/

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/01/2018 🔍
10/01/2018 +0 days 🔍
10/03/2018 +1 days 🔍
10/03/2018 +0 days 🔍
10/04/2018 +1 days 🔍
03/29/2020 +542 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: xz.aliyun.com
Status: Not defined

CVE: CVE-2018-17880 (🔍)
GCVE (CVE): GCVE-0-2018-17880
GCVE (VulDB): GCVE-100-124761
See also: 🔍

Entryinfo

Created: 10/04/2018 08:11
Updated: 03/29/2020 14:58
Changes: 10/04/2018 08:11 (60), 03/29/2020 14:58 (1)
Complete: 🔍
Cache ID: 216::103

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