NULL pointer dereference in Sophos Tester
CVE-2018-6319
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.
EPSS: 0.003 (23.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Sophos Sophos_tester — versions 3.2.0.7
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2018-6319?
- CVE-2018-6319 is a medium-severity vulnerability in Sophos Tester, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2018-02-02.
- How severe is CVE-2018-6319?
- Medium severity. CVSS v3 base score is 5.5 out of 10.