D-Link DIR-823G 2018-09-19 GoAhead Configuration /HNAP1 password recovery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in D-Link DIR-823G 2018-09-19. Affected by this vulnerability is an unknown functionality of the file /HNAP1 of the component GoAhead Configuration. Executing a manipulation can lead to password recovery. This vulnerability is tracked as CVE-2018-17881. The attack can be launched remotely. No exploit exists. The application of restrictive firewalling is recommended.

Detailsinfo

A vulnerability has been found in D-Link DIR-823G 2018-09-19 (Router Operating System) and classified as critical. This vulnerability affects an unknown functionality of the file /HNAP1 of the component GoAhead Configuration. The manipulation with an unknown input leads to a password recovery vulnerability. The CWE definition for the vulnerability is CWE-640. The product contains a mechanism for users to recover or change their passwords without knowing the original password, but the mechanism is weak. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

On D-Link DIR-823G 2018-09-19 devices, the GoAhead configuration allows /HNAP1 SetPasswdSettings commands without authentication to trigger an admin password change.

The bug was discovered 10/01/2018. The weakness was disclosed 10/03/2018 (Website). The advisory is available at xz.aliyun.com. This vulnerability was named CVE-2018-17881 since 10/01/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 03/29/2020). This vulnerability is assigned to T1552 by the MITRE ATT&CK project.

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.

Proper firewalling of is able to address this issue.

The entry VDB-124761 is pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Password recovery
CWE: CWE-640
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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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-2018-17881 (🔍)
GCVE (CVE): GCVE-0-2018-17881
GCVE (VulDB): GCVE-100-124762
See also: 🔍

Entryinfo

Created: 10/04/2018 08:11
Updated: 03/29/2020 15:02
Changes: 10/04/2018 08:11 (61), 03/29/2020 15:02 (1)
Complete: 🔍
Cache ID: 216::103

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

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