SaferVPN up to 5.0.3.2 on Windows Log link following

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in SaferVPN up to 5.0.3.2 on Windows and classified as critical. Affected by this vulnerability is an unknown functionality of the file %LOCALAPPDATA%\SaferVPN\Log. Performing a manipulation results in link following. This vulnerability is known as CVE-2020-25744. Attacking locally is a requirement. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in SaferVPN up to 5.0.3.2 on Windows (Network Encryption Software). This affects an unknown part of the file %LOCALAPPDATA%\SaferVPN\Log. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

SaferVPN before 5.0.3.3 on Windows could allow low-privileged users to create or overwrite arbitrary files, which could cause a denial of service (DoS) condition, because a symlink from %LOCALAPPDATA%\SaferVPN\Log is followed.

The weakness was published 09/18/2020. This vulnerability is uniquely identified as CVE-2020-25744 since 09/18/2020. Attacking locally is a requirement. A authentication is necessary for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 5.0.3.3 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
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: Link following
CWE: CWE-59
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: SaferVPN 5.0.3.3

Timelineinfo

09/18/2020 🔍
09/18/2020 +0 days 🔍
09/18/2020 +0 days 🔍
09/18/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-25744 (🔍)
GCVE (CVE): GCVE-0-2020-25744
GCVE (VulDB): GCVE-100-161535

Entryinfo

Created: 09/18/2020 12:50
Updated: 09/18/2020 12:55
Changes: 09/18/2020 12:50 (37), 09/18/2020 12:55 (18)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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