CVE-2021-21806

Published on: 07/08/2021 12:00:00 AM UTC

Last Modified on: 04/19/2022 08:15:00 PM UTC

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Certain versions of Webkitgtk from Webkitgtk contain the following vulnerability:

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in remote code execution. The victim needs to visit a malicious web site to trigger the vulnerability.

  • CVE-2021-21806 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 8.8 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE REQUIRED
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 6.8 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags Link
oss-security - WebKitGTK and WPE WebKit Security Advisory WSA-2021-0004 www.openwall.com
text/html
URL Logo MLIST [oss-security] 20210723 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0004
TALOS-2020-1214 || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence talosintelligence.com
text/html
URL Logo MISC talosintelligence.com/vulnerability_reports/TALOS-2020-1214

Related QID Numbers

  • 159499 Oracle Enterprise Linux Security Update for GNOME (ELSA-2021-4381)
  • 179986 Debian Security Update for wpewebkitwebkit2gtk (CVE-2021-21806)
  • 239811 Red Hat Update for gnome security (RHSA-2021:4381)
  • 501939 Alpine Linux Security Update for webkit2gtk
  • 710570 Gentoo Linux WebkitGTK+ Multiple Vulnerabilities (GLSA 202202-01)
  • 751190 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2021:3282-1)
  • 751194 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2021:3296-1)
  • 751221 OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2021:3353-1)
  • 751247 OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2021:1369-1)
  • 940070 AlmaLinux Security Update for GNOME (ALSA-2021:4381)
  • 960077 Rocky Linux Security Update for GNOME (RLSA-2021:4381)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationWebkitgtkWebkitgtk2.30.3AllAllAll
  • cpe:2.3:a:webkitgtk:webkitgtk:2.30.3:*:*:*:*:*:x64:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-21806 : An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A spec… twitter.com/i/web/status/1… 2021-07-08 11:43:04
Twitter Icon @RemotelyAlerts Severity: ?? | An exploitable use-after-free vulnerabil... | CVE-2021-21806 | Link for more: alerts.remotelyrmm.com/CVE-2021-21806 2022-04-19 21:29:56
Reddit Logo Icon /r/netcve CVE-2021-21806 2021-07-08 12:41:26
© CVE.report 2022 Twitter Nitter Twitter Viewer |

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