CVE-2021-21198: Out of bounds read in IPC
First published: Wed Mar 03 2021(Updated: )
Out of bounds read in IPC in Google Chrome prior to 89.0.4389.114 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Credit: chrome-cve-admin@google.com Mark Brand Google Project Zero
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/chromium | 90.0.4430.212-1~deb10u1 116.0.5845.180-1~deb11u1 118.0.5993.70-1~deb11u1 116.0.5845.180-1~deb12u1 118.0.5993.70-1~deb12u1 118.0.5993.70-1 | |
| Google Chrome (Trace Event) | <89.0.4389.114 | 89.0.4389.114 |
| Google Chrome | <89.0.4389.114 | |
| Red Hat Fedora | =32 | |
| Red Hat Fedora | =33 | |
| Red Hat Fedora | =34 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2021-21198
- http://packetstormsecurity.com/files/162973/Chrome-Legacy-ipc-Message-Passed-Via-Shared-Memory.html
- https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_30.html (Advisory)
- https://crbug.com/1184399
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/
- https://security.gentoo.org/glsa/202104-08
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUZBGKGVZADNA3I24NVG7HAYYUTOSN5A/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EAJ42L4JFPBJATCZ7MOZQTUDGV4OEHHG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U3GZ42MYPGD35V652ZPVPYYS7A7LVXVY/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2021-21198?
CVE-2021-21198 is classified as a high severity vulnerability.
How do I fix CVE-2021-21198?
To fix CVE-2021-21198, update Google Chrome to version 90.0.4430.212 or later.
What does CVE-2021-21198 affect?
CVE-2021-21198 affects various versions of Google Chrome prior to 89.0.4389.114.
Can CVE-2021-21198 lead to a sandbox escape?
Yes, CVE-2021-21198 allows a remote attacker to potentially perform a sandbox escape.
What type of vulnerability is CVE-2021-21198?
CVE-2021-21198 is an out-of-bounds read vulnerability in IPC.
- collector/security-tracker-debian
- agent/type
- agent/weakness
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/references
- agent/description
- agent/author
- agent/severity
- agent/title
- agent/first-publish-date
- agent/event
- agent/trending
- agent/source
- collector/chrome-releases
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- package-manager/debian
- vendor/google
- canonical/google chrome (trace event)
- canonical/google chrome
- vendor/fedoraproject
- canonical/red hat fedora
- version/red hat fedora/32
- version/red hat fedora/33
- version/red hat fedora/34