Oracle VirtualBox Insufficient Input Validation Vulnerability

CheckOps priority index

4.9/10 Patch within 7 days

Severity8.8

Probability0.7

Exploitation2/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 6.9% higher than 94.1% of CVEs

CVSS 3.1 8.8 AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:

Exploited for 1,706 days 03 Mar 2022

CISA due date 24 Mar 2022 for US federal agencies

Exploitation probability EPSS · FIRST

EPSS probability (%)Percentile among all CVEs

Exploitation signals 2 / 5

KEV catalog (CISA)03 Mar 2022
Exploited in EUVD (ENISA)03 Mar 2022
Used by ransomwareno
EPSS above 10 %6.9%
No account, over the networkno

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply updates per vendor instructions.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Description ENISA EUVD

The VBoxDrvNtDeviceControl function in VBoxDrv.sys in Sun xVM VirtualBox before 1.6.4 uses the METHOD_NEITHER communication method for IOCTLs and does not properly validate a buffer associated with the Irp object, which allows local users to gain privileges by opening the \\.\VBoxDrv device and calling DeviceIoControl to send a crafted kernel address.

Affected products

VirtualBox

Weaknesses (CWE)

CWE-264

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

05 Aug 2008
Published
03 Mar 2022
Exploitation reported (ENISA)
03 Mar 2022
Added to the KEV catalog
24 Mar 2022
CISA remediation due date

References

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