SUSE update for buildah

1) Path traversal

EUVDB-ID: #VU26643

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-10696

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can trick a victim to build a malicious container image hosted on an HTTP(s) server and then write files to the user's system anywhere that the user has permissions.

Mitigation

Update the affected package buildah to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Containers: 15-SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

SUSE Linux Enterprise Server: 15-SP4

openSUSE Leap: 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP4

buildah: before 1.27.1-150400.3.8.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20223655-1/

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 Protection of Alternate Path

EUVDB-ID: #VU55590

Risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-20206

CWE-ID: CWE-424 - Improper Protection of Alternate Path

Exploit availability: No

Description

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

the vulnerability exists due to improper input validation. When specifying the plugin to load in the 'type' field in the network configuration, it is possible to use special elements such as "../" separators to reference binaries elsewhere on the system. This flaw allows a remote user to execute other existing binaries other than the cni plugins/types, such as 'reboot'.

Mitigation

Update the affected package buildah to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Containers: 15-SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

SUSE Linux Enterprise Server: 15-SP4

openSUSE Leap: 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP4

buildah: before 1.27.1-150400.3.8.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20223655-1/

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) Incorrect authorization

EUVDB-ID: #VU69291

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-2022-2990

CWE-ID: CWE-863 - Incorrect Authorization

Exploit availability: No

Description

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

The vulnerability exists due to incorrect handling of the supplementary groups in the Buildah container engine. A local user with direct access to the affected container where supplementary groups are used can set access permissions and execute a binary code in that container.

Mitigation

Update the affected package buildah to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Module for Containers: 15-SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

SUSE Linux Enterprise Server: 15-SP4

openSUSE Leap: 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP4

buildah: before 1.27.1-150400.3.8.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20223655-1/

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.