gsd-2021-45444
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the prompt, as demonstrated by a %F argument. This occurs because of recursive PROMPT_SUBST expansion.
Aliases
Aliases
CVE-2021-45444


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-45444",
    "description": "In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the prompt, as demonstrated by a %F argument. This occurs because of recursive PROMPT_SUBST expansion.",
    "id": "GSD-2021-45444",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-45444.html",
      "https://www.debian.org/security/2022/dsa-5078",
      "https://advisories.mageia.org/CVE-2021-45444.html",
      "https://ubuntu.com/security/CVE-2021-45444",
      "https://linux.oracle.com/cve/CVE-2021-45444.html",
      "https://access.redhat.com/errata/RHSA-2022:2120"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-45444"
      ],
      "details": "In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the prompt, as demonstrated by a %F argument. This occurs because of recursive PROMPT_SUBST expansion.",
      "id": "GSD-2021-45444",
      "modified": "2023-12-13T01:23:19.302501Z",
      "schema_version": "1.4.0"
    }
  },
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        "STATE": "PUBLIC"
      },
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                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
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                    }
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          }
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              }
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          },
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    },
    "nvd.nist.gov": {
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "HIGH",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.1,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 4.9,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-09-30T02:37Z",
      "publishedDate": "2022-02-14T12:15Z"
    }
  }
}


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