CVE-2023-22809 (GCVE-0-2023-22809)

Vulnerability from cvelistv5 – Published: 2023-01-18 00:00 – Updated: 2025-04-04 15:45
VLAI
Summary
In Sudo before 1.9.12p2, the sudoedit (aka -e) feature mishandles extra arguments passed in the user-provided environment variables (SUDO_EDITOR, VISUAL, and EDITOR), allowing a local attacker to append arbitrary entries to the list of files to process. This can lead to privilege escalation. Affected versions are 1.8.0 through 1.9.12.p1. The problem exists because a user-specified editor may contain a "--" argument that defeats a protection mechanism, e.g., an EDITOR='vim -- /path/to/extra/file' value.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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El problema existe porque un editor especificado por el usuario puede contener un argumento \\\"--\\\" que anula un mecanismo de protecci\u00f3n, por ejemplo, un valor EDITOR=\u0027vim -- 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\"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G4YNBTTKTRT2ME3NTSXAPTOKYUE47XHZ/\", \"name\": \"FEDORA-2023-298c136eee\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"http://packetstormsecurity.com/files/171644/sudo-1.9.12p1-Privilege-Escalation.html\"}, {\"url\": \"https://security.gentoo.org/glsa/202305-12\", \"name\": \"GLSA-202305-12\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://support.apple.com/kb/HT213758\"}, {\"url\": \"http://packetstormsecurity.com/files/172509/Sudoedit-Extra-Arguments-Privilege-Escalation.html\"}, {\"url\": \"http://seclists.org/fulldisclosure/2023/Aug/21\", \"name\": \"20230817 KL-001-2023-003: Cisco ThousandEyes Enterprise Agent Virtual Appliance Arbitrary File Modification via sudoedit\", \"tags\": [\"mailing-list\"]}, {\"url\": \"http://packetstormsecurity.com/files/174234/Cisco-ThousandEyes-Enterprise-Agent-Virtual-Appliance-Arbitrary-File-Modification.html\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"In Sudo before 1.9.12p2, the sudoedit (aka -e) feature mishandles extra arguments passed in the user-provided environment variables (SUDO_EDITOR, VISUAL, and EDITOR), allowing a local attacker to append arbitrary entries to the list of files to process. This can lead to privilege escalation. Affected versions are 1.8.0 through 1.9.12.p1. The problem exists because a user-specified editor may contain a \\\"--\\\" argument that defeats a protection mechanism, e.g., an EDITOR=\u0027vim -- /path/to/extra/file\u0027 value.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"n/a\"}]}], \"providerMetadata\": {\"orgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"shortName\": \"mitre\", \"dateUpdated\": \"2023-09-06T07:06:47.365Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-22809\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-04-04T15:45:24.835Z\", \"dateReserved\": \"2023-01-06T00:00:00.000Z\", \"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"datePublished\": \"2023-01-18T00:00:00.000Z\", \"assignerShortName\": \"mitre\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.