SB2023041894 - Multiple vulnerabilities in Oracle FLEXCUBE Universal Banking
Published: April 18, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2022-36033)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of HTML code within the jsoup cleaner, including javascript: URL expressions when the non-default SafeList.preserveRelativeLinks option is enabled. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
2) Input validation error (CVE-ID: CVE-2022-3171)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input containing multiple instances of non-repeated embedded messages with repeated or unknown fields. A remote attacker can cause objects to be converted back-n-forth between mutable and immutable forms, resulting in potentially long garbage collection pauses.
3) Deserialization of Untrusted Data (CVE-ID: CVE-2022-25647)
The vulnerability allows a remote attacker to perform a denial of service attack.
The vulnerability exists due to insecure input validation when processing serialized data passed to writeReplace() method. A remote attacker can pass specially crafted data to the application and perform a denial of service attack.
Remediation
Install update from vendor's website.