Multiple vulnerabilities in Oracle WebCenter Sites



Published: 2022-10-20
Risk High
Patch available YES
Number of vulnerabilities 4
CVE-ID CVE-2021-43859
CVE-2022-24729
CVE-2022-32532
CVE-2021-23450
CWE-ID CWE-400
CWE-185
CWE-287
CWE-94
Exploitation vector Network
Public exploit Public exploit code for vulnerability #3 is available.
Vulnerable software
Subscribe 		Oracle WebCenter Sites
Web applications / Other software

Vendor Oracle

Security Bulletin

This security bulletin contains information about 4 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU60527

Risk: Medium

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

CVE-ID: CVE-2021-43859

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle WebCenter Sites: 12.2.1.3.0 - 12.2.1.4.0

External links

http://www.oracle.com/security-alerts/cpuoct2022.html?3221


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) Incorrect Regular Expression

EUVDB-ID: #VU61427

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-24729

CWE-ID: CWE-185 - Incorrect Regular Expression

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform regular expression denial of service attack.

The vulnerability exists due to improper input validation in CKEditor 4 dialog plugin. A remote attacker can pass specially crafted input to the application and perform regular expression denial of service (ReDoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle WebCenter Sites: 12.2.1.3.0 - 12.2.1.4.0

External links

http://www.oracle.com/security-alerts/cpuoct2022.html?3221


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) Improper Authentication

EUVDB-ID: #VU64770

Risk: Medium

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

CVE-ID: CVE-2022-32532

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in RegexRequestMatcher configuration. A remote attacker can bypass authentication process and gain unauthorized access to the application. Applications using RegExPatternMatcher with `.` in the regular expression are affected by the vulnerability.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle WebCenter Sites: 12.2.1.3.0 - 12.2.1.4.0

External links

http://www.oracle.com/security-alerts/cpuoct2022.html?3221


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.

4) Code Injection

EUVDB-ID: #VU60834

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-23450

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

Exploit availability: No

Description

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

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can inject and execute arbitrary script code via the setObject function.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle WebCenter Sites: 12.2.1.3.0 - 12.2.1.4.0

External links

http://www.oracle.com/security-alerts/cpuoct2022.html?3221


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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