fkie_cve-2021-45444
Vulnerability from fkie_nvd
Published
2022-02-14 12:15
Modified
2024-11-21 06:32
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
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.
References
cve@mitre.orghttp://seclists.org/fulldisclosure/2022/May/33Mailing List, Third Party Advisory
cve@mitre.orghttp://seclists.org/fulldisclosure/2022/May/35Mailing List, Third Party Advisory
cve@mitre.orghttp://seclists.org/fulldisclosure/2022/May/38Mailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2022/02/msg00020.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2P3LPMGENEHKDWFO4MWMZSZL6G7Y4CV7/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BWF3EXNBX5SVFDBL4ZFOD4GJBWFUKWN4/
cve@mitre.orghttps://support.apple.com/kb/HT213255Third Party Advisory
cve@mitre.orghttps://support.apple.com/kb/HT213256Third Party Advisory
cve@mitre.orghttps://support.apple.com/kb/HT213257Third Party Advisory
cve@mitre.orghttps://vuln.ryotak.me/advisories/63Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2022/dsa-5078Third Party Advisory
cve@mitre.orghttps://zsh.sourceforge.io/releases.htmlRelease Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2022/May/33Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2022/May/35Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2022/May/38Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/02/msg00020.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2P3LPMGENEHKDWFO4MWMZSZL6G7Y4CV7/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BWF3EXNBX5SVFDBL4ZFOD4GJBWFUKWN4/
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT213255Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT213256Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT213257Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://vuln.ryotak.me/advisories/63Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5078Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://zsh.sourceforge.io/releases.htmlRelease Notes, Third Party Advisory
Impacted products
Vendor Product Version
zsh zsh *
fedoraproject fedora 34
fedoraproject fedora 35
debian debian_linux 9.0
debian debian_linux 10.0
debian debian_linux 11.0
apple mac_os_x *
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple macos *
apple macos *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:zsh:zsh:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9E81CC0B-D7B9-40E7-82F9-DFAE6C223E71",
              "versionEndExcluding": "5.8.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
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          "cpeMatch": [
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              "vulnerable": true
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              "matchCriteriaId": "80E516C0-98A4-4ADE-B69F-66A772E2BAAA",
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      ]
    },
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      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "En zsh versiones anteriores a 5.8.1, un atacante puede lograr una ejecuci\u00f3n de c\u00f3digo si controla la salida de un comando dentro del prompt, como lo demuestra un argumento %F. Esto ocurre debido a la expansi\u00f3n recursiva PROMPT_SUBST"
    }
  ],
  "id": "CVE-2021-45444",
  "lastModified": "2024-11-21T06:32:13.110",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "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,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
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          "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"
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        "source": "nvd@nist.gov",
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  },
  "published": "2022-02-14T12:15:15.750",
  "references": [
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      "source": "cve@mitre.org",
      "tags": [
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      "url": "http://seclists.org/fulldisclosure/2022/May/33"
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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