RHSA-2020:1396
Vulnerability from csaf_redhat
Published
2020-04-14 15:38
Modified
2025-09-25 12:17
Summary
Red Hat Security Advisory: OpenShift Container Platform 4.3.12 podman security update

Notes

Topic
An update for podman is now available for Red Hat OpenShift Container Platform 4.3. Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The podman tool manages Pods, container images, and containers. It is part of the libpod library, which is for applications that use container Pods. Container Pods is a concept in Kubernetes. Security Fix(es): * buildah: a crafted input tar file could overwrite local files during the image build process (CVE-2020-10696) 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.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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      "discovery_date": "2020-01-22T00:00:00+00:00",
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          "text": "1795838"
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          "category": "description",
          "text": "A use-after-free vulnerability was found in the Go GPGME wrapper library, github.com/proglottis/gpgme. An attacker could use this flaw to crash or cause potential code execution in Go applications that use this library, under certain conditions, during GPG signature verification.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "proglottis/gpgme: Use-after-free in GPGME bindings during container image pull",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "OpenShift 3.11 consumes updates for podman from the RHEL-7 extras channel, hence why it has been marked as wontfix in this instance.\n\nAfter extensive testing of the mentioned vulnerability Red Hat has chosen a severity of Moderate instead of High, because the deallocation of GPGME objects while other parts of code are still using it, the vulnerability can only result in a crash and cannot be used to execute code in any feasible manner, moreover the vulnerability only results in crash if finalizers are called to clean up variables while objects are still being used by the underlying C code. Given the inherent attack complexity being high and the exploitability of the vulnerability limited to a crash, Moderate severity seems adequate.\n\nWithin regulated environments, a combination of the following controls acts as a significant barrier to successfully exploiting a CWE-416: Use After Free vulnerability and therefore downgrades the severity of this particular CVE from Moderate to Low.\n\nAccess to the platform is granted only after successful hard token-based multi-factor authentication (MFA) and is governed by least privilege to ensure that only authorized users and roles can execute or modify code. Red Hat also enforces least functionality, enabling only essential features, services, and ports. Hardening guidelines ensure the most restrictive settings required for operations, while baseline configurations enforce safe memory allocation and deallocation practices to reduce the risk of use-after-free vulnerabilities. The environment employs IPS/IDS and antimalware solutions to detect and prevent malicious code and provide real-time visibility into memory usage, lowering the risk of arbitrary code execution. Static code analysis and peer reviews enforce strong input validation and error handling, reducing the likelihood of denial-of-service (DoS) attacks. In the event of successful exploitation, process isolation prevents a compromised process from accessing memory freed by another, containing potential impact. Finally, memory protection mechanisms such as Data Execution Prevention (DEP) and Address Space Layout Randomization (ASLR) enhance resilience against memory-related vulnerabilities.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-8945"
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          "summary": "RHBZ#1795838",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1795838"
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-8945",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-8945"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-8945",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-8945"
        }
      ],
      "release_date": "2020-01-16T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-04-14T15:38:54+00:00",
          "details": "For OpenShift Container Platform 4.3 see the following documentation, which\nwill be updated shortly for release 4.3.12, for important instructions on\nhow to upgrade your cluster and fully apply this asynchronous errata\nupdate:\n\nhttps://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html\n\nDetails on how to access this content are available at\nhttps://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.",
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            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
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            "8Base-RHOSE-4.3:podman-debugsource-0:1.6.4-10.rhaos4.3.el8.x86_64",
            "8Base-RHOSE-4.3:podman-docker-0:1.6.4-10.rhaos4.3.el8.noarch",
            "8Base-RHOSE-4.3:podman-manpages-0:1.6.4-10.rhaos4.3.el8.noarch",
            "8Base-RHOSE-4.3:podman-remote-0:1.6.4-10.rhaos4.3.el8.x86_64",
            "8Base-RHOSE-4.3:podman-remote-debuginfo-0:1.6.4-10.rhaos4.3.el8.x86_64",
            "8Base-RHOSE-4.3:podman-tests-0:1.6.4-10.rhaos4.3.el8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "proglottis/gpgme: Use-after-free in GPGME bindings during container image pull"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Erik Sj\u00f6lund"
          ]
        }
      ],
      "cve": "CVE-2020-10696",
      "cwe": {
        "id": "CWE-22",
        "name": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)"
      },
      "discovery_date": "2020-03-26T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1817651"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A path traversal flaw was found in Buildah. This flaw allows an attacker to trick a user into building a malicious container image hosted on an HTTP(s) server and then write files to the user\u0027s system anywhere that the user has permissions.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "buildah: Crafted input tar file may lead to local file overwrite during image build process",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "While OpenShift Container Platform does include the vulnerable buildah code, it doesn\u0027t make use of the vulnerable function. Podman is also included in OpenShift Container Platform, but it isn\u0027t used to perform a build, so it has been given a low impact rating.\n\nOpenShift Container Platform 3.11 now used podman from the RHEL Extra repository, and not the podman package shipped in the OpenShift 3.11 RPM repository. This issue is fixed in podman in RHEL Extras so we won\u0027t fix the podman package shipped in the OpenShift 3.11 RPM repository.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "8Base-RHOSE-4.3:podman-0:1.6.4-10.rhaos4.3.el8.src",
          "8Base-RHOSE-4.3:podman-0:1.6.4-10.rhaos4.3.el8.x86_64",
          "8Base-RHOSE-4.3:podman-debuginfo-0:1.6.4-10.rhaos4.3.el8.x86_64",
          "8Base-RHOSE-4.3:podman-debugsource-0:1.6.4-10.rhaos4.3.el8.x86_64",
          "8Base-RHOSE-4.3:podman-docker-0:1.6.4-10.rhaos4.3.el8.noarch",
          "8Base-RHOSE-4.3:podman-manpages-0:1.6.4-10.rhaos4.3.el8.noarch",
          "8Base-RHOSE-4.3:podman-remote-0:1.6.4-10.rhaos4.3.el8.x86_64",
          "8Base-RHOSE-4.3:podman-remote-debuginfo-0:1.6.4-10.rhaos4.3.el8.x86_64",
          "8Base-RHOSE-4.3:podman-tests-0:1.6.4-10.rhaos4.3.el8.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-10696"
        },
        {
          "category": "external",
          "summary": "RHBZ#1817651",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1817651"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-10696",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-10696"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-10696",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-10696"
        }
      ],
      "release_date": "2020-03-26T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-04-14T15:38:54+00:00",
          "details": "For OpenShift Container Platform 4.3 see the following documentation, which\nwill be updated shortly for release 4.3.12, for important instructions on\nhow to upgrade your cluster and fully apply this asynchronous errata\nupdate:\n\nhttps://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html\n\nDetails on how to access this content are available at\nhttps://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.",
          "product_ids": [
            "8Base-RHOSE-4.3:podman-0:1.6.4-10.rhaos4.3.el8.src",
            "8Base-RHOSE-4.3:podman-0:1.6.4-10.rhaos4.3.el8.x86_64",
            "8Base-RHOSE-4.3:podman-debuginfo-0:1.6.4-10.rhaos4.3.el8.x86_64",
            "8Base-RHOSE-4.3:podman-debugsource-0:1.6.4-10.rhaos4.3.el8.x86_64",
            "8Base-RHOSE-4.3:podman-docker-0:1.6.4-10.rhaos4.3.el8.noarch",
            "8Base-RHOSE-4.3:podman-manpages-0:1.6.4-10.rhaos4.3.el8.noarch",
            "8Base-RHOSE-4.3:podman-remote-0:1.6.4-10.rhaos4.3.el8.x86_64",
            "8Base-RHOSE-4.3:podman-remote-debuginfo-0:1.6.4-10.rhaos4.3.el8.x86_64",
            "8Base-RHOSE-4.3:podman-tests-0:1.6.4-10.rhaos4.3.el8.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:1396"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "8Base-RHOSE-4.3:podman-0:1.6.4-10.rhaos4.3.el8.src",
            "8Base-RHOSE-4.3:podman-0:1.6.4-10.rhaos4.3.el8.x86_64",
            "8Base-RHOSE-4.3:podman-debuginfo-0:1.6.4-10.rhaos4.3.el8.x86_64",
            "8Base-RHOSE-4.3:podman-debugsource-0:1.6.4-10.rhaos4.3.el8.x86_64",
            "8Base-RHOSE-4.3:podman-docker-0:1.6.4-10.rhaos4.3.el8.noarch",
            "8Base-RHOSE-4.3:podman-manpages-0:1.6.4-10.rhaos4.3.el8.noarch",
            "8Base-RHOSE-4.3:podman-remote-0:1.6.4-10.rhaos4.3.el8.x86_64",
            "8Base-RHOSE-4.3:podman-remote-debuginfo-0:1.6.4-10.rhaos4.3.el8.x86_64",
            "8Base-RHOSE-4.3:podman-tests-0:1.6.4-10.rhaos4.3.el8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "buildah: Crafted input tar file may lead to local file overwrite during image build process"
    }
  ]
}


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