SB2023102049 - Buffer overflow in Microsoft Edge



SB2023102049 - Buffer overflow in Microsoft Edge

Published: October 20, 2023 Updated: February 4, 2024

Security Bulletin ID SB2023102049
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2023-36409)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can trick the victim to visit a specially crafted website, trigger an out-of-bounds write and write to enclave memory from a host application, which can leak memory contents of the enclave.


Remediation

Install update from vendor's website.