Multiple vulnerabilities in Multicluster Engine for Kubernetes 2.6

1) Improper Verification of Cryptographic Signature

EUVDB-ID: #VU97606

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-42459

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error when handling EDDSA signatures. A remote attacker can bypass signature-based security checks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Multicluster Engine for Kubernetes: before 2.6.3

CPE2.3

• cpe:2.3:a:red_hat:multicluster_engine_for_kubernetes:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2024:7759

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) Improper Verification of Cryptographic Signature

EUVDB-ID: #VU97605

Risk: Medium

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

CVE-ID: CVE-2024-42460

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error when handling ECDSA signatures. A remote attacker can bypass signature-based security checks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Multicluster Engine for Kubernetes: before 2.6.3

CPE2.3

• cpe:2.3:a:red_hat:multicluster_engine_for_kubernetes:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2024:7759

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 Verification of Cryptographic Signature

EUVDB-ID: #VU97604

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-42461

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to an error when handling BER-encoded ECDSA signatures. A remote attacker can bypass signature-based security checks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Multicluster Engine for Kubernetes: before 2.6.3

CPE2.3

• cpe:2.3:a:red_hat:multicluster_engine_for_kubernetes:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2024:7759

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) Incorrect provision of specified functionality

EUVDB-ID: #VU95157

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-4032

CWE-ID: CWE-684 - Incorrect Provision of Specified Functionality

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists within the "ipaddress" module that contains incorrect information and private and public IP addresses for IPv4 and IPv6 protocols. This affects the is_private and is_global properties of the ipaddress.IPv4Address, ipaddress.IPv4Network, ipaddress.IPv6Address, and ipaddress.IPv6Network classes. A remote attacker can bypass implemented security restrictions based on IP addresses or perform other actions, depending on the application's capabilities.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Multicluster Engine for Kubernetes: before 2.6.3

CPE2.3

• cpe:2.3:a:red_hat:multicluster_engine_for_kubernetes:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2024:7759

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) Incorrect Regular Expression

EUVDB-ID: #VU96745

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-6232

CWE-ID: CWE-185 - Incorrect Regular Expression

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 .tar archives when processing it with regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Multicluster Engine for Kubernetes: before 2.6.3

CPE2.3

• cpe:2.3:a:red_hat:multicluster_engine_for_kubernetes:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2024:7759

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) Command Injection

EUVDB-ID: #VU95571

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-6923

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to insufficient validation of newlines for email headers when serializing an email message. A remote attacker can inject arbitrary headers into serialized email messages.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Multicluster Engine for Kubernetes: before 2.6.3

CPE2.3

• cpe:2.3:a:red_hat:multicluster_engine_for_kubernetes:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2024:7759

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) Input validation error

EUVDB-ID: #VU93518

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-37370

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can modify the plaintext Extra Count field of a confidential GSS krb5 wrap token, causing the unwrapped token to appear truncated to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Multicluster Engine for Kubernetes: before 2.6.3

CPE2.3

• cpe:2.3:a:red_hat:multicluster_engine_for_kubernetes:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2024:7759

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) Out-of-bounds read

EUVDB-ID: #VU93519

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-37371

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when handling GSS message token. A remote attacker can send specially crafted token to the application, trigger an out-of-bounds read error and read contents of memory on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Multicluster Engine for Kubernetes: before 2.6.3

CPE2.3

• cpe:2.3:a:red_hat:multicluster_engine_for_kubernetes:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2024:7759

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) Buffer Underwrite ('Buffer Underflow')

EUVDB-ID: #VU96897

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-45490

CWE-ID: CWE-124 - Buffer Underwrite ('Buffer Underflow')

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error in xmlparse.c when handling negative length for XML_ParseBuffer. A remote attacker can pass specially crafted input to the application, trigger buffer underflow and execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Multicluster Engine for Kubernetes: before 2.6.3

CPE2.3

• cpe:2.3:a:red_hat:multicluster_engine_for_kubernetes:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2024:7759

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.

10) Integer overflow

EUVDB-ID: #VU96898

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-45491

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow within the dtdCopy() function in xmlparse.c. A remote attacker can pass specially crafted input to the application, trigger an integer overflow and execute arbitrary code on the target system.

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Multicluster Engine for Kubernetes: before 2.6.3

CPE2.3

• cpe:2.3:a:red_hat:multicluster_engine_for_kubernetes:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2024:7759

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.

11) Integer overflow

EUVDB-ID: #VU96899

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-45492

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow within the nextScaffoldPart() function in xmlparse.c. A remote attacker can pass specially crafted data to the application, trigger an integer overflow and execute arbitrary code on the target system.

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Multicluster Engine for Kubernetes: before 2.6.3

CPE2.3

• cpe:2.3:a:red_hat:multicluster_engine_for_kubernetes:*:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2024:7759

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.