CVE-2019-8720

Description

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.

CVSS Metrics

• v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 4.10%• Percentile: 89%

Techniques & Countermeasures

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

  The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Affected Systems

• redhat•codeready_linux_builder

  8.0

• redhat•codeready_linux_builder_eus

  8.4 | 8.6

• redhat•codeready_linux_builder_for_arm64_eus

  8.0 | 8.4 | 8.6

• redhat•codeready_linux_builder_for_ibm_z_systems_eus

  8.0 | 8.4 | 8.6

• redhat•codeready_linux_builder_for_power_little_endian_eus

  8.0 | 8.4 | 8.6

• redhat•enterprise_linux

  8.0

• redhat•enterprise_linux_desktop

  7.0

• redhat•enterprise_linux_eus

  8.4 | 8.6

• redhat•enterprise_linux_for_arm64_eus

  8.6

• redhat•enterprise_linux_for_ibm_z_systems

  7.0 | 8.0

• redhat•enterprise_linux_for_ibm_z_systems_eus

  8.4 | 8.6

• redhat•enterprise_linux_for_power_big_endian

  7.0

• redhat•enterprise_linux_for_power_little_endian

  7.0 | 8.0

• redhat•enterprise_linux_for_power_little_endian_eus

  8.4 | 8.6

• redhat•enterprise_linux_for_scientific_computing

  7.0

• redhat•enterprise_linux_server

  7.0

• redhat•enterprise_linux_server_aus

  8.4 | 8.6

• redhat•enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions

  8.4 | 8.6

• redhat•enterprise_linux_server_tus

  8.4 | 8.6

• redhat•enterprise_linux_server_update_services_for_sap_solutions

  8.4 | 8.6

• redhat•enterprise_linux_workstation

  7.0

• Unknown•WebKitGTK

  < 2.26.0

• wpewebkit•wpe_webkit

  < 2.26.0

References (3)

• https://bugzilla.redhat.com/show_bug.cgi?id=1876611
• https://webkitgtk.org/security/WSA-2019-0005.html
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-8720