SB2024021809 - Gentoo update for QtNetwork



SB2024021809 - Gentoo update for QtNetwork

Published: February 18, 2024

Security Bulletin ID SB2024021809
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Cleartext transmission of sensitive information (CVE-ID: CVE-2023-32762)

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

The vulnerability exists due to Qt Network incorrectly parses the strict-transport-security (HSTS) header, allowing unencrypted connections to be established, even when explicitly prohibited by the server. A remote attacker with ability to intercept network traffic can gain access to sensitive data.


2) Integer overflow (CVE-ID: CVE-2023-51714)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in network/access/http2/hpacktable.cpp within the HTTP2 implementation in Qt. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.