Multiple vulnerabilities in OpenShift Container Platform 4.12

1) NULL pointer dereference

EUVDB-ID: #VU76830

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-2018-17419

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error within the setTA() function in scan_rr.go caused by the dns.ParseZone() parsing error. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.12.0 - 4.12.18

CPE2.3

• cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.12.18:*:*:*:*:*:*:

External links

http://access.redhat.com/errata/RHSA-2023:3287

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) Integer overflow

EUVDB-ID: #VU71754

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-2022-25147

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 apr_base64() function. 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 update from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.12.0 - 4.12.18

CPE2.3

• cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.12.18:*:*:*:*:*:*:

External links

http://access.redhat.com/errata/RHSA-2023:3287

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) Link following

EUVDB-ID: #VU75484

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-25652

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Exploit availability: No

Description

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

The vulnerability exists due to a symlink following issue in "git apply --reject". A local user can create a specially crafted symbolic link to write files outside of the worktree.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.12.0 - 4.12.18

CPE2.3

• cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.12.18:*:*:*:*:*:*:

External links

http://access.redhat.com/errata/RHSA-2023:3287

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.

4) Insufficient verification of data authenticity

EUVDB-ID: #VU75485

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-25815

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

Exploit availability: No

Description

The vulnerability allows a local user to tamper with Git messages.

The vulnerability exists due to the way Git processes localized messages. A local user on a multi-user machine can display a malicious message to the user.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.12.0 - 4.12.18

CPE2.3

• cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.12.18:*:*:*:*:*:*:

External links

http://access.redhat.com/errata/RHSA-2023:3287

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.

5) Input validation error

EUVDB-ID: #VU75486

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-29007

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

The vulnerability allows an attacker to tamper with Git configuration.

The vulnerability exists due to insufficient input validation in "git submodule deinit" when renaming or deleting a section from a configuration file. A remote attacker can trick the victim into running the command a malicious configuration file and tamper with Git configuration on the affected system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.12.0 - 4.12.18

CPE2.3

• cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.12.18:*:*:*:*:*:*:

External links

http://access.redhat.com/errata/RHSA-2023:3287

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.