Patchfirst
CVE-2022-2856 KEVPublic exploit Medium · 6.5 EPSS 4.6%

Google Chromium Intents Insufficient Input Validation Vulnerability

Google · Chromium Intents

Summary

A flaw in the Intents component of Google Chromium (Google Chrome on Android) stems from insufficient validation of untrusted input. An attacker able to get a user to open a crafted HTML page can cause the browser to navigate to an arbitrary malicious website, requiring no privileges and only user interaction, with remote network access.

Official description · NVD

Insufficient validation of untrusted input in Intents in Google Chrome on Android prior to 104.0.5112.101 allowed a remote attacker to arbitrarily browse to a malicious website via a crafted HTML page.

Breakdown
65.9 / 100
Exploited
Yes, in CISA KEV
Reports
0
Tactics
2/15

How an attack unfolds

Based on mappings. Select a step to see the evidence.
  1. How attackers get in

  2. What they do

First seen exploited 2 months before it was disclosed.

  1. First seen exploitedVulnCheck KEV evidence2 mo before
  2. Added to CISA KEVEU database agrees39 days before
  3. Disclosedday 0

CISA KEV listing is when exploitation was confirmed, not necessarily the first attack.

techniques

2 , grouped by in kill-chain order, 2 cited passages 2

Initial AccessTA0001

Drive-by Compromise T1189 Medium
AI mapping from the description · how it is exploited

Malicious webpage delivered to browser victim

allowed a remote attacker to arbitrarily browse to a malicious website via a crafted HTML page
From the official description (NVD) Original (opens in a new tab) ↗

ExecutionTA0002

Command and Scripting Interpreter T1059 Medium
AI mapping from the description · primary impact

Crafted input forces unintended browser navigation

Insufficient validation of untrusted input in Intents
From the official description (NVD) Original (opens in a new tab) ↗

Detection

0 rules for this CVE · 98 general rules for its techniques

Rules for this CVE

0 that reference CVE-2022-2856 directly.

CVE-specific rules are not available in this build. Search SigmaHQ ↗

General rules for this CVE’s techniques

These detect the technique in general, not this specific vulnerability.

Sigma rules © SigmaHQ, Detection Rule License 1.1; linked, not reproduced.

What security researchers reported

Not named in any threat report yet

Also mentioned in 50 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

4 links, grouped by NVD tag (3 duplicates merged)
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