SB2023051045 - Multiple vulnerabilities in Red Hat Single Sign-On 7.6 for RHEL 7
Published: May 10, 2023 Updated: May 10, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 7 secuirty vulnerabilities.
1) Improper Certificate Validation (CVE-ID: CVE-2021-0341)
The vulnerability allows a remote attacker to perform MitM attack.
the vulnerability exists due to improper certificate validation within the verifyHostName in OkHostnameVerifier.java in okhttp library in Android runtime. A remote attacker can force the system to accept a certificate for the wrong domain due to improperly used crypto and perform MitM attack.
2) Improper Certificate Validation (CVE-ID: CVE-2022-4492)
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to the undertow client does not check the server identity presented by the server certificate in https connections. A remote attacker can perform MitM attack.
3) Stack-based buffer overflow (CVE-ID: CVE-2022-38752)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when handling YAML files. A remote attacker can pass a specially crafted YAML file to the application, trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.
4) Out-of-bounds write (CVE-ID: CVE-2022-41854)
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to a boundary error when parsing untrusted YAML files. A remote attacker can send a specially crafted YAML file, trick the victim into opening it using the affected software, trigger out-of-bounds write and perform a denial of service attack.
5) Infinite loop (CVE-ID: CVE-2022-41881)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the HaProxyMessageDecoder when parsing a TLV with type of "PP2_TYPE_SSL". A remote attacker can pass a specially crafted message to consume all available system resources and cause denial of service conditions.
6) Information disclosure (CVE-ID: CVE-2022-45787)
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to improper laxist permissions on the temporary files. A local user can gain unauthorized access to sensitive information on the system.
7) Insecure Temporary File (CVE-ID: CVE-2023-0482)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to insecure creation of temporary files. A local user can gain access to sensitive information.
Remediation
Install update from vendor's website.