CVE-2018-6319: Null Pointer Dereference
In Sophos Tester Tool 3.2.0.7 Beta, the driver accepts a special DeviceIoControl code that doesn't check its argument. This argument is a memory address: if a caller passes a NULL pointer or a random invalid address, the driver will cause a Blue Screen of Death. If a program or malware does this at boot time, it can cause a persistent denial of service on the machine.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2018-6319?
CVE-2018-6319 is classified as a critical vulnerability due to its potential to cause a Blue Screen of Death in affected systems.
How do I fix CVE-2018-6319?
To mitigate CVE-2018-6319, users should update Sophos Tester Tool to the latest version that contains the necessary security patches.
What software is affected by CVE-2018-6319?
CVE-2018-6319 specifically affects Sophos Tester Tool version 3.2.0.7 Beta.
What impact does CVE-2018-6319 have on systems?
Exploiting CVE-2018-6319 can result in a system crash, leading to a Blue Screen of Death (BSOD) and potential data loss.
Is CVE-2018-6319 exploitable remotely?
CVE-2018-6319 is not designed to be exploited remotely as it requires direct interaction with the vulnerable driver.