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Exploited vulnerability · CISA KEV

Is CVE-2014-8361 exploited? Yes: in CISA KEV since 18 Sep 2023

Gociux · Realtek SDK · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2014-8361, Realtek SDK Improper Input Validation Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 18 Sep 2023, 3062 days after it was published. It affects Realtek SDK. If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

exploitedYesCISA KEV · 18 Sep 2023
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity9.8CVSS 3.1 · critical
US federal due9 Oct 2023BOD 22-01 deadline

What it is

Realtek SDK contains an improper input validation vulnerability in the miniigd SOAP service that allows remote attackers to execute malicious code via a crafted NewInternalClient request.

VendorRealtek (3 exploited CVEs in KEV)
ProductSDK
VulnerabilityRealtek SDK Improper Input Validation Vulnerability
WeaknessCWE-20
Published1 May 2015
Added to KEV18 Sep 2023
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for SDK in your asset inventory, including appliances and cloud images. Stack check lists every exploited Realtek CVE at once.
  2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  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 1 May 2015.
  4. Get told next time. Email alerts when CISA adds a CVE for Realtek.

References

Questions

Is CVE-2014-8361 being exploited?

Yes. CISA added CVE-2014-8361 to the Known Exploited Vulnerabilities catalog on 18 Sep 2023, which means there is reliable evidence of exploitation in the wild.

Is CVE-2014-8361 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-2014-8361?

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check Realtek's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected SDK 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 September 2023 · Realtek scorecard · act-now radar.

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