PrivateTunnel 2.7/2.8 Password memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in PrivateTunnel 2.7/2.8. This impacts an unknown function of the component Password Handler. This manipulation causes memory corruption. This vulnerability is registered as CVE-2017-7720. The attack needs to be launched locally. Furthermore, an exploit is available.

Detailsinfo

A vulnerability has been found in PrivateTunnel 2.7/2.8 and classified as problematic. Affected by this vulnerability is an unknown code of the component Password Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in PrivateTunnel 2.7 and 2.8 allows local attackers to cause a denial of service (SEH overwrite) or possibly have unspecified other impact via a long password.

The bug was discovered 04/26/2017. The weakness was published 04/26/2017 as EDB-ID 41916 as not defined exploit (Exploit-DB). It is possible to read the advisory at exploit-db.com. This vulnerability is known as CVE-2017-7720 since 04/12/2017. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

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 Exploit-DB (41916). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
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: Memory corruption
CWE: CWE-119
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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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/12/2017 🔍
04/26/2017 +14 days 🔍
04/26/2017 +0 days 🔍
04/26/2017 +0 days 🔍
04/26/2017 +0 days 🔍
09/21/2020 +1244 days 🔍

Sourcesinfo

Advisory: EDB-ID 41916
Status: Not defined

CVE: CVE-2017-7720 (🔍)
GCVE (CVE): GCVE-0-2017-7720
GCVE (VulDB): GCVE-100-100615
OSVDB: - CVE-2017-7720 - Private Tunnel - Buffer Overflow Issue

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/26/2017 23:29
Updated: 09/21/2020 15:30
Changes: 04/26/2017 23:29 (58), 09/21/2020 15:30 (5)
Complete: 🔍
Cache ID: 216:347:103

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

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