SB20230820130 - Fedora 37 update for qt5-qtbase

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Main Vulnerability Database SB20230820130

SB20230820130 - Fedora 37 update for qt5-qtbase

Published: August 20, 2023

Security Bulletin ID SB20230820130
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) Buffer overflow (CVE-ID: CVE-2023-32763)

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

The vulnerability exists due to a boundary error when processing SVG files within the QTextLayout() function in src/gui/text/qtextlayout.cpp. A remote attacker can pass a specially crafted SVG file to the application, trigger memory corruption 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.

References