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TalosCVE-2021-21775

HistoryJul 07, 2021 - 10:15 p.m.

CVE-2021-21775

2021-07-0722:15:07

CWE-416

talos

web.nvd.nist.gov

222

cve-2021-21775

use-after-free

webkitgtk

information leak

memory corruption

security vulnerability

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:P/I:P/A:P

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

AI Score

7.9

Confidence

High

EPSS

0.004

Percentile

72.5%

JSON

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.

Affected configurations

Nvd

Vulners

Node

webkitgtkwebkitgtkMatch2.30.4

Node

fedoraprojectfedoraMatch33

fedoraprojectfedoraMatch34

Node

debiandebian_linuxMatch10.0

VendorProductVersionCPE
webkitgtkwebkitgtk2.30.4cpe:2.3:a:webkitgtk:webkitgtk:2.30.4:*:*:*:*:*:*:*
fedoraprojectfedora33cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
fedoraprojectfedora34cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
webkitgtk	webkitgtk	2.30.4	cpe:2.3:a:webkitgtk:webkitgtk:2.30.4:::::::*
fedoraproject	fedora	33	cpe:2.3:o:fedoraproject:fedora:33:::::::*
fedoraproject	fedora	34	cpe:2.3:o:fedoraproject:fedora:34:::::::*
debian	debian_linux	10.0	cpe:2.3:o:debian:debian_linux:10.0:::::::*

CNA Affected

[
  {
    "product": "Webkit",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Webkit WebKitGTK 2.30.4"
      }
    ]
  }
]