Multiple vulnerabilities in Oracle Clusterware



Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2019-2860
CVE-2018-1000873
CVE-2018-12022
CWE-ID CWE-79
CWE-20
CWE-502
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Oracle Clusterware
Client/Desktop applications / Software for system administration

Vendor Oracle

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Improper input validation

EUVDB-ID: #VU109981

Risk: Medium

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

CVE-ID: CVE-2019-2860

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to improper input validation within the Trace File Analyzer (TFA) Collector component in Oracle Clusterware. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Clusterware: 12.1.0.2.0

CPE2.3 External links

https://www.oracle.com/security-alerts/cpujul2019.html?1046205


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Input validation error

EUVDB-ID: #VU16786

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-1000873

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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. A remote attacker can trick the victim into deserializing of crafted input with specifically very large values in the nanoseconds field of a time value and cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Clusterware: 12.1.0.2.0

CPE2.3 External links

https://www.oracle.com/security-alerts/cpujul2019.html?1046205


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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

3) Deserialization of Untrusted Data

EUVDB-ID: #VU19942

Risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-12022

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists when Default Typing is enabled and the service has the Jodd-db jar in the classpath. A remote attacker can provide an LDAP service to access and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Clusterware: 12.1.0.2.0

CPE2.3 External links

https://www.oracle.com/security-alerts/cpujul2019.html?1046205


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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



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