SB2023042726 - Access of uninitialized pointer in h2o



SB2023042726 - Access of uninitialized pointer in h2o

Published: April 27, 2023

Security Bulletin ID SB2023042726
CSH Severity
Medium
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Access of Uninitialized Pointer (CVE-ID: CVE-2023-30847)

CWE-ID: CWE-824 - Access of Uninitialized Pointer

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


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to access to uninitialized pointer when processing certain type of invalid HTTP request. A remote attacker can send a specially crafted HTTP request and perform a denial of service (DoS) attack or leak information to back end HTTP servers.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.