CVE-2021-21775

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

Last Modified on: 04/28/2022 05:15:00 PM UTC

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

Certain versions of Debian Linux from Debian contain the following vulnerability:

A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.

  • CVE-2021-21775 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
[SECURITY] Fedora 34 Update: webkit2gtk3-2.32.3-1.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-cf7d8c7b1a
Debian -- Security Information -- DSA-4945-1 webkit2gtk www.debian.org
Depreciated Link
text/html
URL Logo DEBIAN DSA-4945
TALOS-2021-1229 || Cisco Talos Intelligence Group - Comprehensive Threat Intelligence talosintelligence.com
text/html
URL Logo MISC talosintelligence.com/vulnerability_reports/TALOS-2021-1229
[SECURITY] Fedora 33 Update: webkit2gtk3-2.32.3-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2021-3de956ceee

Related QID Numbers

  • 159499 Oracle Enterprise Linux Security Update for GNOME (ELSA-2021-4381)
  • 178727 Debian Security Update for webkit2gtk (DSA 4945-1)
  • 179780 Debian Security Update for webkit2gtkwpewebkit (CVE-2021-21775)
  • 198444 Ubuntu Security Notification for WebKitGTK vulnerabilities (USN-5024-1)
  • 239811 Red Hat Update for gnome security (RHSA-2021:4381)
  • 281748 Fedora Security Update for webkit2gtk3 (FEDORA-2021-cf7d8c7b1a)
  • 281779 Fedora Security Update for webkit2gtk3 (FEDORA-2021-3de956ceee)
  • 501942 Alpine Linux Security Update for webkit2gtk
  • 710570 Gentoo Linux WebkitGTK+ Multiple Vulnerabilities (GLSA 202202-01)
  • 750913 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2021:2600-1)
  • 750917 OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2021:2598-1)
  • 750943 OpenSUSE Security Update for webkit2gtk3 (openSUSE-SU-2021:1101-1)
  • 750971 SUSE Enterprise Linux Security Update for webkit2gtk3 (SUSE-SU-2021:2762-1)
  • 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
Operating
System
DebianDebian Linux10.0AllAllAll
Operating
System
FedoraprojectFedora33AllAllAll
Operating
System
FedoraprojectFedora34AllAllAll
ApplicationWebkitgtkWebkitgtk2.30.4AllAllAll
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*:
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*:
  • cpe:2.3:a:webkitgtk:webkitgtk:2.30.4:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-21775 : A use-after-free vulnerability exists in the way certain events are processed for ImageLoader obje… twitter.com/i/web/status/1… 2021-07-07 22:05:19
Reddit Logo Icon /r/netcve CVE-2021-21775 2021-07-07 22:42:39
© CVE.report 2022 Twitter Nitter Twitter Viewer |

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