CVE-2017-7720 : What You Need to Know

PrivateTunnel 2.7 and 2.8 are affected by a buffer overflow vulnerability that can be exploited by local attackers to cause a denial of service or potentially more severe impacts.

Understanding CVE-2017-7720

Local attackers can exploit a buffer overflow vulnerability in PrivateTunnel 2.7 and 2.8 by using a long password, leading to a denial of service attack or other unspecified impacts.

What is CVE-2017-7720?

This CVE refers to a buffer overflow vulnerability in PrivateTunnel 2.7 and 2.8 that allows local attackers to trigger a denial of service attack or potentially more severe consequences by manipulating the structured exception handling (SEH) through a long password.

The Impact of CVE-2017-7720

The vulnerability in PrivateTunnel 2.7 and 2.8 can have the following impacts:

Local attackers can initiate a denial of service attack.
Attackers may potentially overwrite the structured exception handling (SEH) with a long password.

Technical Details of CVE-2017-7720

PrivateTunnel 2.7 and 2.8 are affected by the following:

Vulnerability Description

Buffer overflow vulnerability in PrivateTunnel 2.7 and 2.8

Affected Systems and Versions

Product: PrivateTunnel
Versions: 2.7 and 2.8

Exploitation Mechanism

Local attackers exploit the vulnerability by using a long password

Mitigation and Prevention

To address CVE-2017-7720, consider the following steps:

Immediate Steps to Take

Update PrivateTunnel to a patched version.
Implement strong password policies to mitigate buffer overflow risks.

Long-Term Security Practices

Regularly update and patch software to prevent vulnerabilities.
Conduct security training to educate users on safe password practices.

Patching and Updates

Apply security patches provided by PrivateTunnel to fix the buffer overflow vulnerability.