遠端 CentOS Linux 8 主機上安裝的套件受到 CESA-2021: 4221 公告中提及的多個弱點影響。

  - buildah：使用 chroot 隔離時，主機環境變數在構建容器中洩漏 (CVE-2021-3602)

請注意，Nessus 並未測試此問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-4154 advisory.

  - An information disclosure flaw was found in Buildah, when building containers using chroot isolation.
    Running processes in container builds (e.g. Dockerfile RUN commands) can access environment variables from     parent and grandparent processes. When run in a container in a CI/CD environment, environment variables     may include sensitive information that was shared with the container in order to be used only by Buildah     itself (e.g. container registry credentials). (CVE-2021-3602)

  - A deadlock vulnerability was found in 'github.com/containers/storage' in versions before 1.28.1. When a     container image is processed, each layer is unpacked using `tar`. If one of those layers is not a valid     `tar` archive this causes an error leading to an unexpected situation where the code indefinitely waits     for the tar unpacked stream, which never finishes. An attacker could use this vulnerability to craft a     malicious image, which when downloaded and stored by an application using containers/storage, would then     cause a deadlock leading to a Denial of Service (DoS). (CVE-2021-20291)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:4221 advisory.

    The container-tools module contains tools for working with containers, notably podman, buildah, skopeo,     and runc.

    Security Fix(es):

    * buildah: Host environment variables leaked in build container when using chroot isolation     (CVE-2021-3602)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

    Additional Changes:

    For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes     linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:23018-1 advisory.

  - An information disclosure vulnerability was found in containers/podman in versions before 2.0.5. When     using the deprecated Varlink API or the Docker-compatible REST API, if multiple containers are created in     a short duration, the environment variables from the first container will get leaked into subsequent     containers. An attacker who has control over the subsequent containers could use this flaw to gain access     to sensitive information stored in such variables. (CVE-2020-14370)

  - In containerd (an industry-standard container runtime) before version 1.2.14 there is a credential leaking     vulnerability. If a container image manifest in the OCI Image format or Docker Image V2 Schema 2 format     includes a URL for the location of a specific image layer (otherwise known as a foreign layer), the     default containerd resolver will follow that URL to attempt to download it. In v1.2.x but not 1.3.0 or     later, the default containerd resolver will provide its authentication credentials if the server where the     URL is located presents an HTTP 401 status code along with registry-specific HTTP headers. If an attacker     publishes a public image with a manifest that directs one of the layers to be fetched from a web server     they control and they trick a user or system into pulling the image, they can obtain the credentials used     for pulling that image. In some cases, this may be the user's username and password for the registry. In     other cases, this may be the credentials attached to the cloud virtual instance which can grant access to     other cloud resources in the account. The default containerd resolver is used by the cri-containerd plugin     (which can be used by Kubernetes), the ctr development tool, and other client programs that have     explicitly linked against it. This vulnerability has been fixed in containerd 1.2.14. containerd 1.3 and     later are not affected. If you are using containerd 1.3 or later, you are not affected. If you are using     cri-containerd in the 1.2 series or prior, you should ensure you only pull images from trusted sources.
    Other container runtimes built on top of containerd but not using the default resolver (such as Docker)     are not affected. (CVE-2020-15157)

  - Rootless containers run with Podman, receive all traffic with a source IP address of 127.0.0.1 (including     from remote hosts). This impacts containerized applications that trust localhost (127.0.01) connections by     default and do not require authentication. This issue affects Podman 1.8.0 onwards. (CVE-2021-20199)

  - A deadlock vulnerability was found in 'github.com/containers/storage' in versions before 1.28.1. When a     container image is processed, each layer is unpacked using `tar`. If one of those layers is not a valid     `tar` archive this causes an error leading to an unexpected situation where the code indefinitely waits     for the tar unpacked stream, which never finishes. An attacker could use this vulnerability to craft a     malicious image, which when downloaded and stored by an application using containers/storage, would then     cause a deadlock leading to a Denial of Service (DoS). (CVE-2021-20291)

  - An information disclosure flaw was found in Buildah, when building containers using chroot isolation.
    Running processes in container builds (e.g. Dockerfile RUN commands) can access environment variables from     parent and grandparent processes. When run in a container in a CI/CD environment, environment variables     may include sensitive information that was shared with the container in order to be used only by Buildah     itself (e.g. container registry credentials). (CVE-2021-3602)

  - A flaw was found in podman. The `podman machine` function (used to create and manage Podman virtual     machine containing a Podman process) spawns a `gvproxy` process on the host system. The `gvproxy` API is     accessible on port 7777 on all IP addresses on the host. If that port is open on the host's firewall, an     attacker can potentially use the `gvproxy` API to forward ports on the host to ports in the VM, making     private services on the VM accessible to the network. This issue could be also used to interrupt the     host's services by forwarding all ports to the VM. (CVE-2021-4024)

  - The OCI Distribution Spec project defines an API protocol to facilitate and standardize the distribution     of content. In the OCI Distribution Specification version 1.0.0 and prior, the Content-Type header alone     was used to determine the type of document during push and pull operations. Documents that contain both     manifests and layers fields could be interpreted as either a manifest or an index in the absence of an     accompanying Content-Type header. If a Content-Type header changed between two pulls of the same digest, a     client may interpret the resulting content differently. The OCI Distribution Specification has been     updated to require that a mediaType value present in a manifest or index match the Content-Type header     used during the push and pull operations. Clients pulling from a registry may distrust the Content-Type     header and reject an ambiguous document that contains both manifests and layers fields or manifests     and config fields if they are unable to update to version 1.0.1 of the spec. (CVE-2021-41190)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2021-4222 advisory.

    - fixes CVE-2021-3602

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2021:4221 advisory.

  - An information disclosure flaw was found in Buildah, when building containers using chroot isolation.
    Running processes in container builds (e.g. Dockerfile RUN commands) can access environment variables from     parent and grandparent processes. When run in a container in a CI/CD environment, environment variables     may include sensitive information that was shared with the container in order to be used only by Buildah     itself (e.g. container registry credentials). (CVE-2021-3602)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2021:4221 advisory.

  - buildah: Host environment variables leaked in build container when using chroot isolation (CVE-2021-3602)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2021:4222 advisory.

  - buildah: Host environment variables leaked in build container when using chroot isolation (CVE-2021-3602)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2021:4222 advisory.

    * buildah: Host environment variables leaked in build container when using chroot isolation     (CVE-2021-3602)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

远程 Redhat Enterprise Linux 8 主机上安装的程序包受到 RHSA-2021: 4221 公告中提及的一个漏洞影响。

  - buildah：使用 chroot 隔离时，构建容器中发生主机环境变量泄露 (CVE-2021-3602)

请注意，Nessus 尚未测试此问题，而是只依靠应用程序自我报告的版本号来判断。

远程 Oracle Linux 8 主机上安装的程序包受到 ELSA-2021-4222 公告中提及的漏洞的影响。

  - buildah：使用 chroot 隔离时，构建容器中发生主机环境变量泄露 (CVE-2021-3602)

请注意，Nessus 尚未测试此问题，而是只依靠应用程序自我报告的版本号来判断。

远程 Oracle Linux 8 主机上安装的程序包受到 ELSA-2021-4154 公告中提及的多个漏洞的影响。

  - buildah：使用 chroot 隔离时，构建容器中发生主机环境变量泄露 (CVE-2021-3602)

  - 在 1.28.1 之前版本的“github.com/containers/storage”中发现一个死锁漏洞。处理容器镜像时，使用“tar”解压缩每一层。如果其中一个层不是有效的“tar”存档，则会出现错误，从而导致代码无限期等待永远不会结束的 tar 解压缩流这一意外情况。攻击者可利用此漏洞构建恶意镜像，当应用程序使用容器/存储程序进行下载和存储时，会造成死锁，进而导致拒绝服务 (DoS)。(CVE-2021-20291)

请注意，Nessus 尚未测试此问题，而是只依靠应用程序自我报告的版本号来判断。

远程 Rocky Linux 8 主机上存在安装的程序包该程序包受到公告 RLSA-2021:4221 中提及的漏洞的影响。

  - 在 Buildah 使用 chroot 隔离构建容器时发现信息泄露缺陷。
    在容器版本中运行的进程如 Dockerfile RUN 命令可以访问父代和祖代父进程的环境变量。在 CI/CD 环境中的容器中运行时环境变量可能包含与容器共享的敏感信息以便仅由 Buildah 本身使用例如容器注册表凭据。 (CVE-2021-3602)

请注意，Nessus 尚未测试此问题，而是只依据应用程序自我报告的版本号进行判断。

远程 AlmaLinux 8 主机存在安装的程序包该程序包受到 ALSA-2021:4222 公告中提及的漏洞的影响。

    * buildah使用 chroot 隔离时构建容器中泄漏主机环境变量 (CVE-2021-3602)

Tenable 已直接从 AlmaLinux 安全公告中提取上述描述块。

请注意，Nessus 尚未测试此问题，而是只依据应用程序自我报告的版本号进行判断。

远程 CentOS Linux 8 主机上安装的多个程序包受到 CESA-2021: 4222 公告中提及的一个漏洞影响。

  - buildah：使用 chroot 隔离时，构建容器中发生主机环境变量泄露 (CVE-2021-3602)

请注意，Nessus 尚未测试此问题，而是只依靠应用程序自我报告的版本号来判断。

远程 CentOS Linux 8 主机上安装的多个程序包受到 CESA-2021: 4221 公告中提及的一个漏洞影响。

  - buildah：使用 chroot 隔离时，构建容器中发生主机环境变量泄露 (CVE-2021-3602)

请注意，Nessus 尚未测试此问题，而是只依靠应用程序自我报告的版本号来判断。

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
155344	CentOS 8：container-tools：2.0 (CESA-2021: 4221)	Nessus	CentOS Local Security Checks	2021/11/13	2022/3/11	medium
155986	Oracle Linux 8 : container-tools:ol8 (ELSA-2021-4154)	Nessus	Oracle Linux Local Security Checks	2021/12/10	2024/11/1	medium
155181	RHEL 8 : container-tools:2.0 (RHSA-2021:4221)	Nessus	Red Hat Local Security Checks	2021/11/11	2024/11/7	medium
172436	SUSE SLED15 / SLES15 Security Update : conmon, libcontainers-common, libseccomp, podman (SUSE-SU-2022:23018-1)	Nessus	SuSE Local Security Checks	2023/3/10	2023/8/31	medium
155412	Oracle Linux 8 : container-tools:3.0 (ELSA-2021-4222)	Nessus	Oracle Linux Local Security Checks	2021/11/17	2024/11/1	medium
184822	Rocky Linux 8 : container-tools:2.0 (RLSA-2021:4221)	Nessus	Rocky Linux Local Security Checks	2023/11/7	2023/11/7	medium
155344	CentOS 8 : container-tools:2.0 (CESA-2021:4221)	Nessus	CentOS Local Security Checks	2021/11/13	2022/3/11	medium
155187	CentOS 8 : container-tools:3.0 (CESA-2021:4222)	Nessus	CentOS Local Security Checks	2021/11/11	2022/3/11	medium
158851	AlmaLinux 8 : container-tools:3.0 (ALSA-2021:4222)	Nessus	Alma Linux Local Security Checks	2022/3/11	2025/1/13	medium
155181	RHEL 8：container-tools: 2.0 (RHSA-2021: 4221)	Nessus	Red Hat Local Security Checks	2021/11/11	2024/11/7	medium
155412	Oracle Linux 8：container-tools: 3.0 (ELSA-2021-4222)	Nessus	Oracle Linux Local Security Checks	2021/11/17	2024/11/1	medium
155986	Oracle Linux 8：container-tools: ol8 (ELSA-2021-4154)	Nessus	Oracle Linux Local Security Checks	2021/12/10	2024/11/1	medium
184822	Rocky Linux 8container-tools:2.0 (RLSA-2021:4221)	Nessus	Rocky Linux Local Security Checks	2023/11/7	2023/11/7	medium
158851	AlmaLinux 8 : container-tools:3.0 (ALSA-2021:4222)	Nessus	Alma Linux Local Security Checks	2022/3/11	2025/1/13	medium
155187	CentOS 8：container-tools: 3.0 (CESA-2021: 4222)	Nessus	CentOS Local Security Checks	2021/11/11	2022/3/11	medium
155344	CentOS 8：container-tools: 2.0 (CESA-2021: 4221)	Nessus	CentOS Local Security Checks	2021/11/13	2022/3/11	medium

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