SB2023112328 - Red Hat Enterprise Linux 8 update for qt5-qtbase
Published: November 23, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2023-33285)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to buffer over-read via a crafted reply from a DNS server within the QDnsLookup() function in src/network/kernel/qdnslookup_unix.cpp. A remote attacker can perform a denial of service attack.
2) Improper Certificate Validation (CVE-ID: CVE-2023-34410)
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to improper validation of TLS certificate chain, where application does not always consider whether the root of a chain is a configured CA certificate. A remote attacker can perform MitM attack.
3) Buffer overflow (CVE-ID: CVE-2023-37369)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when processing XML content in QXmlStreamReader. A remote attacker can pass specially crafted XML input to the application, trigger memory corruption and perform a denial of service (DoS) attack.
4) Infinite loop (CVE-ID: CVE-2023-38197)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop when handling recursive expansions. A remote attacker can consume all available system resources and cause denial of service conditions.
Remediation
Install update from vendor's website.