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Exploited vulnerability · CISA KEV

Is CVE-2022-3038 exploited? Yes: in CISA KEV since 30 Mar 2023

Gociux · Google Chromium Network Service · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2022-3038, Google Chromium Network Service Use-After-Free Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 30 Mar 2023, 185 days after it was published. It affects Google Chromium Network Service. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 30 Mar 2023
ransomwareNot knownno confirmed use
EPSStop 5%very likely to be exploited
severity8.8CVSS 3.1 · high
US federal due20 Apr 2023BOD 22-01 deadline

What it is

Google Chromium Network Service contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

VendorGoogle (77 exploited CVEs in KEV)
ProductChromium Network Service
VulnerabilityGoogle Chromium Network Service Use-After-Free Vulnerability
WeaknessCWE-416
Published26 Sep 2022
Added to KEV30 Mar 2023
Reported by (CNA)Chrome

What to do

  1. Check whether you run it. Look for Chromium Network Service in your asset inventory, including appliances and cloud images. Stack check lists every exploited Google 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 26 Sep 2022.
  4. Get told next time. Email alerts when CISA adds a CVE for Google.

References

Questions

Is CVE-2022-3038 being exploited?

Yes. CISA added CVE-2022-3038 to the Known Exploited Vulnerabilities catalog on 30 Mar 2023, which means there is reliable evidence of exploitation in the wild.

Is CVE-2022-3038 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-2022-3038?

Apply updates per vendor instructions. Check Google's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Chromium Network Service 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 2023 · Google scorecard · act-now radar.

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