D-Link Central WiFiManager CWM-100 1.03 r0098 CaptivelPortal Service CaptivelPortal.exe access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in D-Link Central WiFiManager CWM-100 1.03 r0098. Impacted is an unknown function in the library quserex.dll of the file CaptivelPortal.exe of the component CaptivelPortal Service. The manipulation leads to access control. This vulnerability is referenced as CVE-2018-15515. The attack can only be performed from a local environment. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in D-Link Central WiFiManager CWM-100 1.03 r0098 (Wireless LAN Software). It has been rated as critical. This issue affects an unknown functionality in the library quserex.dll of the file CaptivelPortal.exe of the component CaptivelPortal Service. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The CaptivelPortal service on D-Link Central WiFiManager CWM-100 1.03 r0098 devices will load a Trojan horse "quserex.dll" from the CaptivelPortal.exe subdirectory under the D-Link directory, which allows unprivileged local users to gain SYSTEM privileges.

The bug was discovered 11/09/2018. The weakness was published 01/31/2019 as not defined mailinglist post (Full-Disclosure). It is possible to read the advisory at seclists.org. The identification of this vulnerability is CVE-2018-15515 since 08/18/2018. Attacking locally is a requirement. The successful exploitation needs a simple authentication. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The exploit is available at packetstormsecurity.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 83 days. During that time the estimated underground price was around $5k-$25k.

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

Similar entries are available at VDB-130357 and VDB-130356. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/18/2018 🔍
11/09/2018 +83 days 🔍
01/31/2019 +83 days 🔍
01/31/2019 +0 days 🔍
02/01/2019 +1 days 🔍
06/23/2024 +1969 days 🔍

Sourcesinfo

Vendor: dlink.com

Advisory: 150244
Status: Not defined

CVE: CVE-2018-15515 (🔍)
GCVE (CVE): GCVE-0-2018-15515
GCVE (VulDB): GCVE-100-130355
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 02/01/2019 07:53
Updated: 06/23/2024 08:34
Changes: 02/01/2019 07:53 (62), 05/07/2020 08:58 (1), 07/04/2023 09:37 (3), 06/23/2024 08:34 (22)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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