CVE-2021-30528: Use after free in WebAuthentication
First published: Thu May 06 2021(Updated: )
Use after free in WebAuthentication in Google Chrome on Android prior to 91.0.4472.77 allowed a remote attacker who had compromised the renderer process of a user who had saved a credit card in their Google account to potentially exploit heap corruption via a crafted HTML page.
Credit: chrome-cve-admin@google.com Man Yue Mo GitHub Security Lab
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Chrome (Trace Event) | <91.0.4472.77 | 91.0.4472.77 |
| Google Chrome (Trace Event) | <91.0.4472.77 | |
| Android | ||
| Fedora | =33 | |
| Fedora | =34 |
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Reference Links
- http://packetstormsecurity.com/files/172844/Chrome-Sandbox-Escape.html
- https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html (Advisory)
- https://crbug.com/1206329
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
- https://security.gentoo.org/glsa/202107-06
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2021-30521
- CVE-2021-30522
- CVE-2021-30523
- CVE-2021-30524
- CVE-2021-30525
- CVE-2021-30526
- CVE-2021-30527
- CVE-2021-4322
- CVE-2021-30529
- CVE-2021-30530
- CVE-2021-30531
- CVE-2021-30532
- CVE-2021-30533
- CVE-2021-30534
- CVE-2021-30535
- CVE-2021-30542
- CVE-2021-30543
- CVE-2021-30558
- CVE-2021-30536
- CVE-2021-30537
- CVE-2021-30538
- CVE-2021-30539
- CVE-2021-30540
- CVE-2021-4321
Frequently Asked Questions
What is the severity of CVE-2021-30528?
CVE-2021-30528 has a high severity rating due to its potential for exploitation leading to heap corruption.
How do I fix CVE-2021-30528?
To fix CVE-2021-30528, update Google Chrome to version 91.0.4472.77 or later.
What type of vulnerability is CVE-2021-30528?
CVE-2021-30528 is a use-after-free vulnerability located in the WebAuthentication component of Google Chrome.
Who is affected by CVE-2021-30528?
Users of Google Chrome on Android prior to version 91.0.4472.77 are affected by CVE-2021-30528.
Can an attacker exploit CVE-2021-30528 remotely?
Yes, a remote attacker can exploit CVE-2021-30528 if they compromise the renderer process of the affected browser.
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- agent/softwarecombine
- collector/chrome-releases
- agent/software-canonical-lookup
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- vendor/google
- canonical/google chrome (trace event)
- canonical/android
- vendor/fedoraproject
- canonical/fedora
- version/fedora/33
- version/fedora/34