Information disclosure in Red Hat Single Sign-On 7.6 for RHEL 7

1) Improper input validation

EUVDB-ID: #VU68867

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-0839

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the Oracle SQLcl (Liquibase) in Oracle Database Server. A local authenticated user can exploit this vulnerability to gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

rh-sso7 (Red Hat package): before 1-4.el7sso

rh-sso7-javapackages-tools (Red Hat package): before 3.4.1-5.15.3.jbcs.el7

CPE2.3

• cpe:2.3:a:red_hat:rh-sso7_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:rh-sso7-javapackages-tools_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*

External links

https://access.redhat.com/errata/RHBA-2022:5452

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.