CVE-2017-17700

K7Sentry.sys 15.1.0.59 in K7 Antivirus 15.1.0309 has a NULL pointer dereference via a 0x950025a4 DeviceIoControl request

published December 15, 2017

CVSS
—
EPSS
1%
Percentile
69.0
In the wild
Unconfirmed
What it is

⚠️ A simple DeviceIoControl request is the weak link in K7 Antivirus 15.1.0309! This NULL pointer dereference in K7Sentry.sys is like a delivery driver who forgets to check their GPS — it’s a recipe for disaster! 🚧 Think of this vulnerability as a restaurant where a vital ingredient is missing from the order. Without that ingredient, your dish can't be properly prepared, leading to confusion in the kitchen, or in this case, the system. Just as the chefs won't serve an incomplete meal, the software's operation can break down at a critical moment. If exploited, an attacker could cause the K7 Antivirus to crash, leaving the system unprotected. This could potentially expose users to other security risks or system instability, creating an opening for more serious attacks.

Put simply

Think of this vulnerability as a restaurant where a vital ingredient is missing from the order. Without that ingredient, your dish can't be properly prepared, leading to confusion in the kitchen, or in this case, the system. Just as the chefs won't serve an incomplete meal, the software's operation can break down at a critical moment. This vulnerability occurs when a NULL pointer is dereferenced in K7Sentry.sys during a specific DeviceIoControl request, leading to unpredictable behavior or crashes in the antivirus software.

What to do

If exploited, an attacker could cause the K7 Antivirus to crash, leaving the system unprotected. This could potentially expose users to other security risks or system instability, creating an opening for more serious attacks. To mitigate this issue, update your K7 Antivirus to the latest version available. Ensure that any associated drivers are also up-to-date to prevent such vulnerabilities from being exploited. Regularly check for patches and updates to maintain security. You've got this! Stay on top of those updates, and you'll keep your system secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01251 · 69.0th percentile
Published
2017-12-15T20:00Z
EPSS history
Timeline
  • 15 DEC 20:00Z
    K7Sentry.sys 15.1.0.59 in K7 Antivirus 15.1.0309 has a NULL pointer dereference via a 0x950025a4 DeviceIoControl request
    cvelistv5