Known exploited vulnerability
CVE-2020-6418
The short answer
CVE-2020-6418 affects Google Chrome and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2021-11-03: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
Type confusion in V8 in Google Chrome prior to 80.0.3987.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Weakness: CWE-843.
Severity
8.8 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Nov 3, 2021
Federal due date May 3, 2022
EPSS, next 30 days
79%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
Chrome. NVD's record lists the exact affected versions.
References
- access.redhat.com/errata/RHSA-2020:0738 Third Party Advisory
- chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_24.html Release NotesVendor Advisory
- crbug.com/1053604 ExploitIssue TrackingPatchVendor Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/ Release Notes
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP/ Release Notes
- security.gentoo.org/glsa/202003-08 Third Party Advisory
- www.debian.org/security/2020/dsa-4638 Mailing ListThird Party Advisory
- access.redhat.com/errata/RHSA-2020:0738 Third Party Advisory
- chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop_24.html Release NotesVendor Advisory
- crbug.com/1053604 ExploitIssue TrackingPatchVendor Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/ Release Notes
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP/ Release Notes
Questions
Is CVE-2020-6418 being exploited?
Yes. CISA added CVE-2020-6418 to its Known Exploited Vulnerabilities catalog on 2021-11-03, with a federal remediation due date of 2022-05-03.
How do I fix CVE-2020-6418?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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