SB2021072054 - Multiple vulnerabilities in Java SE
Published: July 20, 2021 Updated: June 24, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Improper input validation (CVE-ID: CVE-2021-2341)
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The vulnerability exists due to improper input validation within the Networking component in Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.
2) Improper input validation (CVE-ID: CVE-2021-2432)
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The vulnerability exists due to improper input validation within the JNDI component in Java SE. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.
3) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2021-2369)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to an error in JAR validation implementation. A remote attacker can modify the signed JAR file in a way it will be considered as signed.
4) Improper input validation (CVE-ID: CVE-2021-2388)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to improper input validation within the Hotspot component in Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.
Remediation
Install update from vendor's website.