VDB-115122 · CVE-2018-6765 · GCVE-0-2018-6765

Swisscom MySwisscomAssistant 2.17.1.1065 DLL Loader MySwisscomAssistant_Setup.exe data processing

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-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Swisscom MySwisscomAssistant 2.17.1.1065. The impacted element is an unknown function in the library dwmapi.dll/IPHLPAPI.DLL/WindowsCodecs.dll/RpcRtRemote.dll/CRYPTSP.dll/rasadhlp.dll/DNSAPI.dll/ntmarta.dll/netbios.dll/olepro32.dll/security.dll/winhttp.dll/WINSTA.dll of the file MySwisscomAssistant_Setup.exe of the component DLL Loader. The manipulation results in data processing. This vulnerability is reported as CVE-2018-6765. The attack requires a local approach. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, was found in Swisscom MySwisscomAssistant 2.17.1.1065. Affected is an unknown function in the library dwmapi.dll/IPHLPAPI.DLL/WindowsCodecs.dll/RpcRtRemote.dll/CRYPTSP.dll/rasadhlp.dll/DNSAPI.dll/ntmarta.dll/netbios.dll/olepro32.dll/security.dll/winhttp.dll/WINSTA.dll of the file MySwisscomAssistant_Setup.exe of the component DLL Loader. The manipulation with an unknown input leads to a data processing vulnerability. CWE is classifying the issue as CWE-19. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Swisscom MySwisscomAssistant 2.17.1.1065 contains a vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary code on the targeted system. This vulnerability exists due to the way .dll files are loaded. It allows an attacker to load a .dll of the attacker's choosing that could execute arbitrary code without the user's knowledge. The specific flaw exists within the handling of several DLLs (dwmapi.dll, IPHLPAPI.DLL, WindowsCodecs.dll, RpcRtRemote.dll, CRYPTSP.dll, rasadhlp.dll, DNSAPI.dll, ntmarta.dll, netbios.dll, olepro32.dll, security.dll, winhttp.dll, WINSTA.dll) loaded by the MySwisscomAssistant_Setup.exe process.

The bug was discovered 03/22/2018. The weakness was disclosed 03/27/2018 (Website). The advisory is available at swisscom.ch. This vulnerability is traded as CVE-2018-6765 since 02/06/2018. Local access is required to approach this attack. The successful exploitation requires a authentication. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k.

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

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

Productinfo

Vendor

Swisscom

Name

MySwisscomAssistant

Version

2.17.1.1065

CPE 2.3info

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CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Data processing
CWE: CWE-19
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/06/2018 🔍
03/22/2018 +44 days 🔍
03/27/2018 +5 days 🔍
03/27/2018 +0 days 🔍
03/28/2018 +1 days 🔍
01/17/2020 +660 days 🔍

Sourcesinfo

Advisory: swisscom.ch
Status: Not defined

CVE: CVE-2018-6765 (🔍)
GCVE (CVE): GCVE-0-2018-6765
GCVE (VulDB): GCVE-100-115122

Entryinfo

Created: 03/28/2018 09:09
Updated: 01/17/2020 13:12
Changes: 03/28/2018 09:09 (59), 01/17/2020 13:12 (1)
Complete: 🔍
Cache ID: 216::103