CVE-2019-5862: Input Validation

Published Mar 26, 2019
·
Updated

Insufficient data validation in AppCache in Google Chrome prior to 76.0.3809.87 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page.

Credit

Jun Kokatsu, Microsoft Browser Vulnerability Research

Affected Software

3 affected componentsFixes available
Google Chrome<76.0.3809.87
76.0.3809.87
Google Chrome<76.0.3809.87
debian/chromium
150.0.7871.100-1~deb12u1156.0.8078.73-1~deb12u1150.0.7871.181-1~deb13u1156.0.8078.73-1~deb13u1156.0.8078.47-1156.0.8078.79-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Google Chrome (Trace Event) to a version that resolves this vulnerability.

    Fixed in 76.0.3809.87
  2. Upgrade

    Upgrade debian/chromium to a version that resolves this vulnerability.

    Fixed in 150.0.7871.100-1~deb12u1Fixed in 156.0.8078.73-1~deb12u1Fixed in 150.0.7871.181-1~deb13u1Fixed in 156.0.8078.73-1~deb13u1Fixed in 156.0.8078.47-1Fixed in 156.0.8078.79-1

Event History

Mar 26, 2019
CVE Published
12:00 AM
Nov 25, 2019
CVE Published
via MITRE·02:22 PM
Data Sourced
via MITRE·02:22 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What does an attacker need to exploit this issue?

The attacker needs to compromise the Chrome renderer process and use a crafted HTML page. User interaction is also required according to the CVSS vector.

2

Are users of current Chrome versions affected?

The issue affects Google Chrome versions before 76.0.3809.87. Updating to 76.0.3809.87 or later addresses the affected version range described here.

3

What security boundary can be bypassed?

A successful exploit can bypass Chrome site isolation after the renderer process has been compromised. The reported impact is integrity-only; confidentiality and availability impacts are not listed in the CVSS vector.

Contact

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