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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
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-04 15:43 UTC
CWE
  • n/a
  • CWE-269 - Improper Privilege Management
Assigner
References
Show details on NVD website
To clipboard 

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    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-08-07T01:09:05+00:00",
      "cve": "CVE-2023-22809",
      "id": "CVE-2023-22809",
      "initial_release_date": "2023-01-18T15:00:00+00:00",
      "product_status:fixed": "224",
      "product_status:known_not_affected": "4",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "sudo: arbitrary file write with privileges of the RunAs user",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-22809.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-08-31T01:14:34Z",
      "cve": "CVE-2023-22809",
      "id": "CVE-2023-22809",
      "initial_release_date": "2023-02-15T03:21:29Z",
      "product_status:known_affected": "273",
      "product_status:known_not_affected": "1",
      "product_status:recommended": "316",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-22809",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-22809.json",
      "version": "54"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://www.synacktiv.com/sites/default/files/2023-01/sudo-CVE-2023-22809.pdf\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://www.sudo.ws/security/advisories/sudoedit_any/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/01/msg00012.html\", \"name\": \"[debian-lts-announce] 20230118 [SECURITY] [DLA 3272-1] sudo security update\", \"tags\": [\"mailing-list\", \"x_transferred\"]}, {\"url\": \"https://www.debian.org/security/2023/dsa-5321\", \"name\": \"DSA-5321\", \"tags\": [\"vendor-advisory\", \"x_transferred\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/01/19/1\", \"name\": \"[oss-security] 20230119 CVE-2023-22809: Sudoedit can edit arbitrary files\", \"tags\": [\"mailing-list\", \"x_transferred\"]}, {\"url\": 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\"http://packetstormsecurity.com/files/172509/Sudoedit-Extra-Arguments-Privilege-Escalation.html\", \"tags\": [\"x_transferred\"]}, {\"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\", \"x_transferred\"]}, {\"url\": \"http://packetstormsecurity.com/files/174234/Cisco-ThousandEyes-Enterprise-Agent-Virtual-Appliance-Arbitrary-File-Modification.html\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T10:20:30.856Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-22809\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-04-04T15:43:57.601703Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-269\", \"description\": \"CWE-269 Improper Privilege Management\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-04-04T15:45:18.109Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"n/a\", \"product\": \"n/a\", \"versions\": [{\"status\": \"affected\", \"version\": \"n/a\"}]}], \"references\": [{\"url\": \"https://www.synacktiv.com/sites/default/files/2023-01/sudo-CVE-2023-22809.pdf\"}, {\"url\": \"https://www.sudo.ws/security/advisories/sudoedit_any/\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/01/msg00012.html\", \"name\": \"[debian-lts-announce] 20230118 [SECURITY] [DLA 3272-1] sudo security update\", \"tags\": [\"mailing-list\"]}, {\"url\": \"https://www.debian.org/security/2023/dsa-5321\", \"name\": \"DSA-5321\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"http://www.openwall.com/lists/oss-security/2023/01/19/1\", \"name\": \"[oss-security] 20230119 CVE-2023-22809: Sudoedit can edit arbitrary files\", \"tags\": [\"mailing-list\"]}, {\"url\": \"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2QDGFCGAV5QRJCE6IXRXIS4XJHS57DDH/\", \"name\": \"FEDORA-2023-9078f609e6\", \"tags\": [\"vendor-advisory\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20230127-0015/\"}, {\"url\": \"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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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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.