gsd-2021-20291
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
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).
Aliases
Aliases
CVE-2021-20291


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-20291",
    "description": "A deadlock vulnerability was found in \u0027github.com/containers/storage\u0027 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).",
    "id": "GSD-2021-20291",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-20291.html",
      "https://access.redhat.com/errata/RHSA-2021:4154",
      "https://access.redhat.com/errata/RHSA-2021:2438",
      "https://access.redhat.com/errata/RHSA-2021:1150",
      "https://linux.oracle.com/cve/CVE-2021-20291.html",
      "https://access.redhat.com/errata/RHBA-2022:0348",
      "https://access.redhat.com/errata/RHSA-2022:7954",
      "https://access.redhat.com/errata/RHSA-2022:7955",
      "https://access.redhat.com/errata/RHSA-2022:8008"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-20291"
      ],
      "details": "A deadlock vulnerability was found in \u0027github.com/containers/storage\u0027 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).",
      "id": "GSD-2021-20291",
      "modified": "2023-12-13T01:23:12.465539Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2021-20291",
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                    "version": {
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                          "version_value": "containers/storage 1.28.1"
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          }
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    },
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          "not_impacted": "",
          "package_slug": "go/github.com/containers/storage",
          "pubdate": "2021-05-10",
          "solution": "Upgrade to version 1.28.1 or above.",
          "title": "Improper Locking",
          "urls": [
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          "fixed_versions": [
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          ],
          "identifier": "CVE-2021-20291",
          "identifiers": [
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            "CVE-2021-20291"
          ],
          "not_impacted": "All versions before 1.23.8, all versions starting from 1.28.1",
          "package_slug": "go/github.com/containers/storage/pkg/archive",
          "pubdate": "2021-05-10",
          "solution": "Upgrade to version 1.28.1 or above.",
          "title": "Improper Locking",
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            "https://github.com/containers/storage/commit/306fcabc964470e4b3b87a43a8f6b7d698209ee1",
            "https://unit42.paloaltonetworks.com/cve-2021-20291/",
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          ],
          "uuid": "6539eae1-8885-484b-9ffa-64a28c276301"
        }
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    },
    "nvd.nist.gov": {
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.1,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2021-06-02T13:13Z",
      "publishedDate": "2021-04-01T18:15Z"
    }
  }
}


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