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CVE-2019-8720 CISA KEV · Actively exploited

Memory buffer overflow in N/a Webkitgtk

CVSS score

8.8

EPSS probability

%1.6

Risk score

0.3

Published

3 y ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Mitigation available

Apply updates per vendor instructions.

Impact on My Inventory

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Vulnerability description

DayBreach CVE AI Research

CVE-2019-8720 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

A vulnerability was found in WebKit. The flaw is triggered when processing maliciously crafted web content that may lead to arbitrary code execution. Improved memory handling addresses the multiple memory corruption issues.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2019-8720 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1n/awebkitgtk View
2webkitgtkwebkitgtk View
3wpewebkitwpe webkit View
4redhatcodeready linux builder View
5redhatcodeready linux builder eus View
6redhatcodeready linux builder eus View
7redhatcodeready linux builder for arm64 eus View
8redhatcodeready linux builder for arm64 eus View
9redhatcodeready linux builder for arm64 eus View
10redhatcodeready linux builder for ibm z systems eus View
11redhatcodeready linux builder for ibm z systems eus View
12redhatcodeready linux builder for ibm z systems eus View
13redhatcodeready linux builder for power little endian eus View
14redhatcodeready linux builder for power little endian eus View
15redhatcodeready linux builder for power little endian eus View
16redhatenterprise linux View
17redhatenterprise linux desktop View
18redhatenterprise linux eus View
19redhatenterprise linux eus View
20redhatenterprise linux for arm64 eus View
21redhatenterprise linux for ibm z systems View
22redhatenterprise linux for ibm z systems View
23redhatenterprise linux for ibm z systems eus View
24redhatenterprise linux for ibm z systems eus View
25redhatenterprise linux for power big endian View
26redhatenterprise linux for power little endian View
27redhatenterprise linux for power little endian View
28redhatenterprise linux for power little endian eus View
29redhatenterprise linux for power little endian eus View
30redhatenterprise linux for scientific computing View
31redhatenterprise linux server View
32redhatenterprise linux server aus View
33redhatenterprise linux server aus View
34redhatenterprise linux server for power little endian update services for sap solutions View
35redhatenterprise linux server for power little endian update services for sap solutions View
36redhatenterprise linux server tus View
37redhatenterprise linux server tus View
38redhatenterprise linux server update services for sap solutions View
39redhatenterprise linux server update services for sap solutions View
40redhatenterprise linux workstation View
Total affected vendors: 4|Products: 40

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
8.8CVSS V31HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HNVD
8.8CVSS V3_1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVE ADP

Patch and Remediation Guide

Solution & Remediation Advisory

Workaround

Resmî yama doğrulanamadı; geçici azaltım veya workaround mevcut.

canonical

Apply updates per vendor instructions.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

This CVE is marked as actively exploited in the CISA KEV catalogue, but no verified, downloadable public PoC or Metasploit module has been found yet. Evidence of active exploitation does not mean that public exploit code exists.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-8720 is associated with the following CWEs:

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-8720 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsGerekmiyor
UserGerekiyor

Official Sources and Advisories

https://bugzilla.redhat.com/show_bug.cgi?id=1876611vendor-advisoryhttps://webkitgtk.org/security/WSA-2019-0005.htmlvendor-advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-8720nvdCISA Known Exploited Vulnerabilities Catalogkev

CVSS Vector Radar Chart

8.8 / 10
Attack VectorNetworkComplexityLowPrivilegesNoneUser Interact.RequiredConfidentialityLowIntegrityHighAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone required
User Interaction—
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)High
Availability (Erişilebilirlik)High

Geçici çözüm

Resmî yama doğrulanamadı; geçici azaltım veya workaround mevcut.

Follow the vendor

N
n/a logo
n/a
W
webkitgtk logo
webkitgtk
W
wpewebkit logo
wpewebkit
R
redhat logo
redhat

Weakness Type (CWE & CAPEC)

CWE-119

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