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Exploited vulnerability · CISA KEV

Is CVE-2008-3431 exploited? Yes: in CISA KEV since 3 Mar 2022

Gociux · Oracle VirtualBox · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2008-3431, Oracle VirtualBox Insufficient Input Validation Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 3 Mar 2022, 4958 days after it was published. It affects Oracle VirtualBox. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 3 Mar 2022
ransomwareNot knownno confirmed use
EPSStop 10%more likely than most to be exploited
severity8.8CVSS 3.1 · high
US federal due24 Mar 2022BOD 22-01 deadline

What it is

An input validation vulnerability exists in the VBoxDrv.sys driver of Sun xVM VirtualBox which allows attackers to locally execute arbitrary code.

VendorOracle (46 exploited CVEs in KEV)
ProductVirtualBox
VulnerabilityOracle VirtualBox Insufficient Input Validation Vulnerability
WeaknessCWE-264
Published5 Aug 2008
Added to KEV3 Mar 2022
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for VirtualBox in your asset inventory, including appliances and cloud images. Stack check lists every exploited Oracle CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 5 Aug 2008.
  4. Get told next time. Email alerts when CISA adds a CVE for Oracle.

References

Questions

Is CVE-2008-3431 being exploited?

Yes. CISA added CVE-2008-3431 to the Known Exploited Vulnerabilities catalog on 3 Mar 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2008-3431 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2008-3431?

Apply updates per vendor instructions. Check Oracle's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected VirtualBox and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in March 2022 · Oracle scorecard · act-now radar.

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