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Exploited vulnerability · CISA KEV

Is CVE-2022-2856 exploited? Yes: in CISA KEV since 18 Aug 2022

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

Yes. CVE-2022-2856, Google Chromium Intents Insufficient Input Validation Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 18 Aug 2022. It affects Google Chromium Intents. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 18 Aug 2022
ransomwareNot knownno confirmed use
EPSStop 10%more likely than most to be exploited
severity6.5CVSS 3.1 · medium
US federal due8 Sep 2022BOD 22-01 deadline

What it is

Google Chromium Intents contains an insufficient validation of untrusted input vulnerability that allows a remote attacker to browse to a malicious website 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 Intents
VulnerabilityGoogle Chromium Intents Insufficient Input Validation Vulnerability
WeaknessCWE-20
Published26 Sep 2022
Added to KEV18 Aug 2022
Reported by (CNA)Chrome

What to do

  1. Check whether you run it. Look for Chromium Intents 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.

Other exploited CVEs in Chromium Intents

References

Questions

Is CVE-2022-2856 being exploited?

Yes. CISA added CVE-2022-2856 to the Known Exploited Vulnerabilities catalog on 18 Aug 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2022-2856 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-2022-2856?

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 Intents 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 August 2022 · Google scorecard · act-now radar.

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