VDB-119898 · CVE-2018-0595 · BID 104563

Microsoft Skype on Windows Installer Search Path untrusted search path

CVSS Meta Temp Score
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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
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6.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Microsoft Skype on Windows. This impacts an unknown function of the component Installer. The manipulation as part of Search Path results in untrusted search path. This vulnerability was named CVE-2018-0595. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic has been found in Microsoft Skype on Windows (Unified Communication Software) (affected version not known). Affected is some unknown functionality of the component Installer. The manipulation as part of a Search Path leads to a untrusted search path vulnerability. CWE is classifying the issue as CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Untrusted search path vulnerability in the installer of Skype for Windows allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

The bug was discovered 05/17/2018. The weakness was presented 06/26/2018 with Mitsui Bussan Secure Directions, Inc. (Website). The advisory is available at jvn.jp. This vulnerability is traded as CVE-2018-0595 since 11/27/2017. Local access is required to approach this attack. A authentication is required for exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/22/2020). This vulnerability is assigned to T1574 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 40 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.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104563†). See VDB-119895, VDB-119896, VDB-119897 and VDB-119899 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: 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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/27/2017 🔍
05/17/2018 +171 days 🔍
05/17/2018 +0 days 🔍
06/26/2018 +39 days 🔍
06/26/2018 +0 days 🔍
06/26/2018 +0 days 🔍
02/22/2020 +606 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: jvn.jp
Organization: Mitsui Bussan Secure Directions, Inc.
Status: Not defined

CVE: CVE-2018-0595 (🔍)
GCVE (CVE): GCVE-0-2018-0595
GCVE (VulDB): GCVE-100-119898
SecurityFocus: 104563 - Multiple Microsoft Products DLL Loading Multiple Remote Code Execution Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20140918
See also: 🔍

Entryinfo

Created: 06/27/2018 00:17
Updated: 02/22/2020 08:14
Changes: 06/27/2018 00:17 (65), 02/22/2020 08:14 (4)
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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