Multiple vulnerabilities in Oracle Communications Cloud Native Core Network Repository Function

1) Race condition

EUVDB-ID: #VU82200

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-45145

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition between listen(2) and chmod(2) calls on startup. A local user can exploit the race and escalate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Communications Cloud Native Core Network Repository Function: 23.3.1

External links

http://www.oracle.com/security-alerts/cpujan2024.html?947626

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.

2) LDAP injection

EUVDB-ID: #VU78328

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-33201

CWE-ID: CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to improper input validation in applications that use an LDAP CertStore from Bouncy Castle to validate X.509 certificates. During the certificate validation process, Bouncy Castle inserts the certificate's Subject Name into an LDAP search filter without any escaping, which leads to an LDAP injection vulnerability. A remote non-authenticated attacker can use a specially crafted X.509 certificate to bypass authentication process and gain unauthorized access to the application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Communications Cloud Native Core Network Repository Function: 23.3.1

External links

http://www.oracle.com/security-alerts/cpujan2024.html?947626

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) Improper Authentication

EUVDB-ID: #VU75740

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-2023-2283

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error within the pki_verify_data_signature() function in pki_crypto.c. The pki_key_check_hash_compatible() function can return SSH_OK value if memory allocation error happens later in the function. The  A remote attacker can bypass authentication process and gain unauthorized access to the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Communications Cloud Native Core Network Repository Function: 23.3.1

External links

http://www.oracle.com/security-alerts/cpujan2024.html?947626

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) Insufficient entropy

EUVDB-ID: #VU83977

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-31582

CWE-ID: CWE-331 - Insufficient Entropy

Exploit availability: No

Description

The vulnerability allows a remote attacker to brute-force JWT token.

The vulnerability exists due to usage of insufficient entropy when generating JWT token. A remote attacker can brute-force the JWT token and gain unauthorized access to the application.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Communications Cloud Native Core Network Repository Function: 23.1.4 - 23.3.1

External links

http://www.oracle.com/security-alerts/cpujan2024.html?947626

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.

5) Resource exhaustion

EUVDB-ID: #VU81728

Risk: High

CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:H/RL:O/RC:C]

CVE-ID: CVE-2023-44487

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: Yes

Description

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

The vulnerability exists due to improperly control of consumption for internal resources when handling HTTP/2 requests with compressed HEADERS frames. A remote attacker can send a sequence of compressed HEADERS frames followed by RST_STREAM frames and perform a denial of service (DoS) attack, a.k.a. "Rapid Reset".

Note, the vulnerability is being actively exploited in the wild.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Communications Cloud Native Core Network Repository Function: 23.3.1

External links

http://www.oracle.com/security-alerts/cpujan2024.html?947626

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.

6) Improper certificate validation

EUVDB-ID: #VU79490

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-38325

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper certificate validation when handling SSH certificates that have critical options. A remote attacker can perform MitM attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Communications Cloud Native Core Network Repository Function: 23.3.1

External links

http://www.oracle.com/security-alerts/cpujan2024.html?947626

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 Certificate Validation

EUVDB-ID: #VU75606

Risk: Medium

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

CVE-ID: CVE-2023-31486

CWE-ID: CWE-295 - Improper Certificate Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to missing verification of the TLS certificate. A remote attacker can perform MitM attack and trick the application into downloading a malicious file.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Communications Cloud Native Core Network Repository Function: 23.3.1

External links

http://www.oracle.com/security-alerts/cpujan2024.html?947626

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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

8) Improper input validation

EUVDB-ID: #VU82144

Risk: High

CVSSv3.1: 7.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-22102

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 Connector/J component in MySQL Connectors. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Communications Cloud Native Core Network Repository Function: 23.1.4 - 23.3.1

External links

http://www.oracle.com/security-alerts/cpujan2024.html?947626

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) Incorrect default permissions

EUVDB-ID: #VU80937

Risk: Low

CVSSv3.1: 6.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-43496

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code on the system.

The vulnerability exists due to the affected plugin creates the temporary file in the system temporary directory with the default permissions for newly created files. A local user can view contents of files and directories and execute arbitrary code on the target system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Communications Cloud Native Core Network Repository Function: 23.3.1

External links

http://www.oracle.com/security-alerts/cpujan2024.html?947626

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.

10) Off-by-one

EUVDB-ID: #VU68858

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-2021-46848

CWE-ID: CWE-193 - Off-by-one Error

Exploit availability: No

Description

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

The vulnerability exists due to an ETYPE_OK off-by-one error in asn1_encode_simple_der in Libtasn1. A remote attacker can pass specially crafted data to the application, trigger an off-by-one error and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Communications Cloud Native Core Network Repository Function: 23.3.1

External links

http://www.oracle.com/security-alerts/cpujan2024.html?947626

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.