CVE-2017-5070
Published: June 8, 2022
Official Description
Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to execute code inside a sandbox 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.
CISA KEV Advisory
Google Chromium V8 Type Confusion Vulnerability
Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to execute code inside a sandbox 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.
Apply updates per vendor instructions.
Risk Analysis
This vulnerability in the Google Chromium V8 Engine allows an attacker to execute code within a sandbox by tricking a user into visiting a specially crafted HTML page. Given its high EPSS score of 0.71096 and inclusion in CISA's KEV, active exploitation is highly probable and confirmed. This makes it an urgent concern for systems using Chromium-based browsers.
Active exploitation of this vulnerability has been observed in the wild. As it involves a crafted HTML page, it is remotely exploitable, likely through web browsing.
Users should ensure all web browsers utilizing Chromium, such as Google Chrome, Microsoft Edge, and Opera, are updated to the latest secure versions. Regular patching is crucial to address such vulnerabilities.
Technical Analysis
CVE-2017-5070 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2017-5070 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2017-5070 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1