PureVPN Client up to 6.0.x on Windows login.conf Credentials credentials management
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.00 |
A vulnerability was found in PureVPN Client up to 6.0.x on Windows. It has been rated as problematic. This issue affects some unknown processing of the file PROGRAMDATA%\purevpn\config\login.conf. The manipulation with an unknown input leads to a credentials management vulnerability (Credentials). Using CWE to declare the problem leads to CWE-255. Impacted is confidentiality. The summary by CVE is:
The PureVPN client before 6.1.0 for Windows stores Login Credentials (username and password) in cleartext. The location of such files is %PROGRAMDATA%\purevpn\config\login.conf. Additionally, all local users can read this file.
The bug was discovered 09/27/2018. The weakness was shared 10/26/2018 (Website). It is possible to read the advisory at trustwave.com. The identification of this vulnerability is CVE-2018-18656 since 10/26/2018. Attacking locally is a requirement. Required for exploitation is a simple authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.
The vulnerability was handled as a non-public zero-day exploit for at least 29 days. During that time the estimated underground price was around $0-$5k.
Upgrading to version 6.1.0 eliminates this vulnerability.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.5
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Name: CredentialsClass: Credentials management / Credentials
CWE: CWE-255
ATT&CK: T1552
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Client 6.1.0
Timeline
09/27/2018 🔍10/26/2018 🔍
10/26/2018 🔍
10/26/2018 🔍
10/27/2018 🔍
04/06/2020 🔍
Sources
Advisory: trustwave.comStatus: Not defined
CVE: CVE-2018-18656 (🔍)
Entry
Created: 10/27/2018 18:15Updated: 04/06/2020 20:40
Changes: 10/27/2018 18:15 (61), 04/06/2020 20:40 (1)
Complete: 🔍
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