Multiple vulnerabilities in Oracle WebLogic Server



Published: 2020-10-29 | Updated: 2023-07-19
Risk High
Patch available YES
Number of vulnerabilities 10
CVE-ID CVE-2020-9488
CVE-2020-11022
CVE-2020-14757
CVE-2020-14883
CVE-2020-14820
CVE-2020-14859
CVE-2020-14825
CVE-2020-14841
CVE-2020-14882
CVE-2019-17267
CWE-ID CWE-295
CWE-79
CWE-20
CWE-94
Exploitation vector Network
Public exploit Public exploit code for vulnerability #2 is available.
Vulnerability #4 is being exploited in the wild.
Vulnerability #9 is being exploited in the wild.
Vulnerable software
Subscribe 		Oracle WebLogic Server
Server applications / Application servers

Vendor Oracle

Security Bulletin

This security bulletin contains information about 10 vulnerabilities.

1) Improper Certificate Validation

EUVDB-ID: #VU27487

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-9488

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform man-in-the-middle attack.

The vulnerability exists due to the Apache Log4j SMTP appender does not validate SSL certificates. A remote attacker can perform a MitM attack, intercept and decrypt network traffic.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle WebLogic Server: 10.3.6.0.0

External links

http://www.oracle.com/security-alerts/cpuoct2020.html?3219


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) Cross-site scripting

EUVDB-ID: #VU27052

Risk: Low

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

CVE-ID: CVE-2020-11022

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

Exploit availability: Yes

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the regex operation in "jQuery.htmlPrefilter". A remote attacker can pass specially crafted data to the application that uses .html()</code>, <code>.append() or similar methods for it and execute arbitrary JavaScript code in user's browser in 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 WebLogic Server: 10.3.6.0.0 - 14.1.1.0.0

External links

http://www.oracle.com/security-alerts/cpuoct2020.html?3219


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. However, proof of concept for this vulnerability is available.

3) Improper input validation

EUVDB-ID: #VU48033

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14757

CWE-ID: CWE-20 - Improper input validation

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 Web Services component in Oracle WebLogic Server. 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 WebLogic Server: 12.2.1.3.0

External links

http://www.oracle.com/security-alerts/cpuoct2020.html?3219


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: #VU48029

Risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2020-14883

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

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

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle WebLogic Server: 10.3.6.0.0 - 14.1.1.0.0

External links

http://www.oracle.com/security-alerts/cpuoct2020.html?3219


Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

5) Improper input validation

EUVDB-ID: #VU48028

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14820

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Core component in Oracle WebLogic Server. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle WebLogic Server: 10.3.6.0.0 - 14.1.1.0.0

External links

http://www.oracle.com/security-alerts/cpuoct2020.html?3219


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.

6) Improper input validation

EUVDB-ID: #VU48019

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14859

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the Core component in Oracle WebLogic Server. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle WebLogic Server: 10.3.6.0.0 - 14.1.1.0.0

External links

http://www.oracle.com/security-alerts/cpuoct2020.html?3219


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.

7) Improper input validation

EUVDB-ID: #VU48018

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14825

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the Core component in Oracle WebLogic Server. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle WebLogic Server: 12.2.1.3.0 - 14.1.1.0.0

External links

http://www.oracle.com/security-alerts/cpuoct2020.html?3219


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.

8) Improper input validation

EUVDB-ID: #VU48017

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14841

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the Core component in Oracle WebLogic Server. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle WebLogic Server: 10.3.6.0.0 - 14.1.1.0.0

External links

http://www.oracle.com/security-alerts/cpuoct2020.html?3219


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.

9) Code Injection

EUVDB-ID: #VU48016

Risk: High

CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2020-14882

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: Yes

Description

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

The vulnerability exists due to improper input validation within the Console component in Oracle WebLogic Server. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle WebLogic Server: 10.3.6.0.0 - 14.1.1.0.0

External links

http://www.oracle.com/security-alerts/cpuoct2020.html?3219


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?

Yes. This vulnerability is being exploited in the wild.

10) Input validation error

EUVDB-ID: #VU21594

Risk: Medium

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-17267

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected application.

The vulnerability exists due to a Polymorphic Typing issue within the net.sf.ehcache.hibernate.EhcacheJtaTransactionManagerLookup component. A remote attacker can execute arbitrary code on he system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle WebLogic Server: 12.2.1.3.0

External links

http://www.oracle.com/security-alerts/cpuoct2020.html?3219


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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