SB2021072820 - Multiple vulnerabilities in Siebel Core - Server Framework

Description

This security bulletin contains information about 3 vulnerabilities.

1) Improper input validation (CVE-ID: CVE-2021-2353)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local privileged user to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Loging component in Siebel Core - Server Framework. A local privileged user can exploit this vulnerability to gain access to sensitive information.

2) Improper access control (CVE-ID: CVE-2017-5637)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to improper access constrictions to wchp/wchc service. A local user can consume all available CPU resource and perform denial of service (DoS) attack.

3) Deserialization of Untrusted Data (CVE-ID: CVE-2020-24750)

CWE-ID: CWE-502 - Deserialization of Untrusted Data

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

FasterXML jackson-databind 2.x before 2.9.10.6 mishandles the interaction between serialization gadgets and typing, related to com.pastdev.httpcomponents.configuration.JndiConfiguration. A remote attacker can execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://www.oracle.com/security-alerts/cpujul2021.html?924196