FKIE_CVE-2023-45239

Vulnerability from fkie_nvd - Published: 2023-10-06 18:15 - Updated: 2024-11-21 08:26
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
A lack of input validation exists in tac_plus prior to commit 4fdf178 which, when pre or post auth commands are enabled, allows an attacker who can control the username, rem-addr, or NAC address sent to tac_plus to inject shell commands and gain remote code execution on the tac_plus server.
References
cve-assign@fb.comhttps://github.com/facebook/tac_plus/pull/41Exploit, Patch
cve-assign@fb.comhttps://github.com/facebook/tac_plus/security/advisories/GHSA-p334-5r3g-4vx3Vendor Advisory
cve-assign@fb.comhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4J7ZYMFZB4G4OU5EDJPQLP6F6RKDGIH/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/facebook/tac_plus/pull/41Exploit, Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/facebook/tac_plus/security/advisories/GHSA-p334-5r3g-4vx3Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4J7ZYMFZB4G4OU5EDJPQLP6F6RKDGIH/Mailing List, Third Party Advisory
Impacted products
Vendor Product Version
facebook tac_plus *
fedoraproject fedora 39
To clipboard 

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              "matchCriteriaId": "B455DB3F-3004-4005-A9EB-380A474BE78F",
              "versionEndExcluding": "2023-10-05",
              "vulnerable": true
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A lack of input validation exists in tac_plus prior to commit 4fdf178 which, when pre or post auth commands are enabled, allows an attacker who can control the username, rem-addr, or NAC address sent to tac_plus to inject shell commands and gain remote code execution on the tac_plus server."
    },
    {
      "lang": "es",
      "value": "Existe una falta de validaci\u00f3n de entrada en tac_plus antes del commit 4fdf178 que, cuando los comandos de autenticaci\u00f3n previa o posterior est\u00e1n habilitados, permite a un atacante que puede controlar el nombre de usuario, rem-addr o la direcci\u00f3n NAC enviada a tac_plus inyectar comandos de shell y obtener c\u00f3digo remoto ejecuci\u00f3n en el servidor tac_plus."
    }
  ],
  "id": "CVE-2023-45239",
  "lastModified": "2024-11-21T08:26:36.877",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "impactScore": 5.9,
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  "vulnStatus": "Modified",
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Sightings

Author Source Type Date

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.