Use After Free The advisory has been revoked - it doesn't affect any version of package gnome-shell-extension-workspace-indicator (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL8-GNOMESHELLEXTENSIONWORKSPACEINDICATOR-1578231
- published26 Jul 2021
- disclosed23 Nov 2020
Introduced: 23 Nov 2020
CVE-2020-13584 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:8.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gnome-shell-extension-workspace-indicator package and not the gnome-shell-extension-workspace-indicator package as distributed by RHEL.
An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.1 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in a remote code execution. The victim needs to visit a malicious web site to trigger this vulnerability.
References
- https://access.redhat.com/security/cve/CVE-2020-13584
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BY2OBQZFMEFZOSWXPXHPEHOJXXILEEX2/
- https://security.gentoo.org/glsa/202012-10
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1195
- https://access.redhat.com/errata/RHSA-2021:1586
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY2OBQZFMEFZOSWXPXHPEHOJXXILEEX2/