Multiple vulnerabilities in Oracle Database Server



Published: 2020-04-17 | Updated: 2021-11-20
Risk High
Patch available YES
Number of vulnerabilities 8
CVE-ID CVE-2020-2734
CVE-2020-2514
CVE-2016-7103
CVE-2019-2853
CVE-2020-2737
CVE-2019-17563
CVE-2016-10251
CVE-2020-2735
CWE-ID CWE-20
CWE-79
CWE-384
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Oracle Database Server
Server applications / Database software

Oracle Application Express
Web applications / Remote management & hosting panels

Vendor Oracle

Security Bulletin

This security bulletin contains information about 8 vulnerabilities.

1) Improper input validation

EUVDB-ID: #VU26910

Risk: Low

CVSSv3.1: 2.1 [CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-2734

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the RDBMS/Optimizer in Oracle Database Server. A remote privileged user can exploit this vulnerability to gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Database Server: 12.1.0.2 - 19c

External links

http://www.oracle.com/security-alerts/cpuapr2020.html?1408


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

2) Improper input validation

EUVDB-ID: #VU26909

Risk: Medium

CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-2514

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to manipulate or delete data.

The vulnerability exists due to improper input validation within the Oracle Application Express in Oracle Database Server. A remote authenticated user can exploit this vulnerability to manipulate or delete data.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Application Express: 18.0 - 19.1

External links

http://www.oracle.com/security-alerts/cpuapr2020.html?1408


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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

3) Cross-site scripting

EUVDB-ID: #VU7277

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-7103

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

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in jQuery UI before 1.12.0. A remote authenticated attacker can trick the victim to follow a specially specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Application Express: 18.0 - 19.0

External links

http://www.oracle.com/security-alerts/cpuapr2020.html?1408


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.

4) Improper input validation

EUVDB-ID: #VU26908

Risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-2853

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to read and manipulate data.

The vulnerability exists due to improper input validation within the Oracle Text in Oracle Database Server. A remote authenticated user can exploit this vulnerability to read and manipulate data.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Database Server: 11.2.0.4 - 19c

External links

http://www.oracle.com/security-alerts/cpuapr2020.html?1408


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

5) Improper input validation

EUVDB-ID: #VU26907

Risk: Medium

CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-2737

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Core RDBMS in Oracle Database Server. A remote privileged user can exploit this vulnerability to execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Database Server: 11.2.0.4 - 19c

External links

http://www.oracle.com/security-alerts/cpuapr2020.html?1408


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

6) Session Fixation

EUVDB-ID: #VU25002

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-17563

CWE-ID: CWE-384 - Session Fixation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a session fixation attack.

The vulnerability exists due to a race condition when FORM authentication is used in Apache Tomcat. A remote attacker can use a narrow window to perform a session fixation attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Database Server: 12.2.0.1 - 19c

External links

http://www.oracle.com/security-alerts/cpuapr2020.html?1408


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

7) Improper input validation

EUVDB-ID: #VU26906

Risk: High

CVSSv3.1: 7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-10251

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Oracle Multimedia in Oracle Database Server. A remote authenticated user can exploit this vulnerability to execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Database Server: 12.1.0.2

External links

http://www.oracle.com/security-alerts/cpuapr2020.html?1408


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

8) Improper input validation

EUVDB-ID: #VU26905

Risk: High

CVSSv3.1: 7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-2735

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Java VM in Oracle Database Server. A remote authenticated user can exploit this vulnerability to execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Database Server: 11.2.0.4 - 19c

External links

http://www.oracle.com/security-alerts/cpuapr2020.html?1408


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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