CVE-2023-45239 (GCVE-0-2023-45239)
Vulnerability from cvelistv5 – Published: 2023-10-06 17:16 – Updated: 2025-02-13 17:13
VLAI
EPSS
VEX
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.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-19 16:12 UTC
CWE
- CWE-790 - Improper Filtering of Special Elements
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/facebook/tac_plus/pull/41 | x_refsource_MISC |
| https://github.com/facebook/tac_plus/security/adv… | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… |
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T20:14:19.824Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/facebook/tac_plus/pull/41"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://github.com/facebook/tac_plus/security/advisories/GHSA-p334-5r3g-4vx3"
},
{
"tags": [
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4J7ZYMFZB4G4OU5EDJPQLP6F6RKDGIH/"
}
],
"title": "CVE Program Container"
},
{
"affected": [
{
"cpes": [
"cpe:2.3:a:meta:tac_plus:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "tac_plus",
"vendor": "meta",
"versions": [
{
"lessThan": "4fdf178",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-45239",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-19T16:12:07.879707Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-790",
"description": "CWE-790 Improper Filtering of Special Elements",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-09-19T16:18:24.876Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "affected",
"product": "tac_plus",
"vendor": "Meta",
"versions": [
{
"lessThan": "4fdf178",
"status": "affected",
"version": "0",
"versionType": "git"
}
]
}
],
"dateAssigned": "2023-10-05T00:00:00.000Z",
"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."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-790: Improper Filtering of Special Elements",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-10-09T23:06:16.555Z",
"orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827",
"shortName": "facebook"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/facebook/tac_plus/pull/41"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/facebook/tac_plus/security/advisories/GHSA-p334-5r3g-4vx3"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4J7ZYMFZB4G4OU5EDJPQLP6F6RKDGIH/"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827",
"assignerShortName": "facebook",
"cveId": "CVE-2023-45239",
"datePublished": "2023-10-06T17:16:16.797Z",
"dateReserved": "2023-10-05T21:36:59.884Z",
"dateUpdated": "2025-02-13T17:13:58.340Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-45239",
"date": "2026-09-20",
"epss": "0.01813",
"percentile": "0.77686"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:facebook:tac_plus:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B455DB3F-3004-4005-A9EB-380A474BE78F",
"versionEndExcluding": "2023-10-05",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*",
"matchCriteriaId": "B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"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"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2023-10-06T18:15:12.337",
"references": [
{
"source": "cve-assign@fb.com",
"tags": [
"Exploit",
"Patch"
],
"url": "https://github.com/facebook/tac_plus/pull/41"
},
{
"source": "cve-assign@fb.com",
"tags": [
"Vendor Advisory"
],
"url": "https://github.com/facebook/tac_plus/security/advisories/GHSA-p334-5r3g-4vx3"
},
{
"source": "cve-assign@fb.com",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4J7ZYMFZB4G4OU5EDJPQLP6F6RKDGIH/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Patch"
],
"url": "https://github.com/facebook/tac_plus/pull/41"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://github.com/facebook/tac_plus/security/advisories/GHSA-p334-5r3g-4vx3"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4J7ZYMFZB4G4OU5EDJPQLP6F6RKDGIH/"
}
],
"sourceIdentifier": "cve-assign@fb.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-790"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "affected",
"product": "tac_plus",
"vendor": "Meta",
"versions": [
{
"lessThan": "4fdf178",
"status": "affected",
"version": "0",
"versionType": "git"
}
]
}
],
"source": "cve-assign@fb.com"
},
{
"affectedData": [
{
"cpes": [
"cpe:2.3:a:meta:tac_plus:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "tac_plus",
"vendor": "meta",
"versions": [
{
"lessThan": "4fdf178",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:facebook:tac_plus:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B455DB3F-3004-4005-A9EB-380A474BE78F",
"versionEndExcluding": "2023-10-05",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*",
"matchCriteriaId": "B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"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": "2026-06-17T06:28:30.733",
"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"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-45239",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-19T16:12:07.879707Z",
"version": "2.0.3"
}
}
]
},
"published": "2023-10-06T18:15:12.337",
"references": [
{
"source": "cve-assign@fb.com",
"tags": [
"Exploit",
"Patch"
],
"url": "https://github.com/facebook/tac_plus/pull/41"
},
{
"source": "cve-assign@fb.com",
"tags": [
"Vendor Advisory"
],
"url": "https://github.com/facebook/tac_plus/security/advisories/GHSA-p334-5r3g-4vx3"
},
{
"source": "cve-assign@fb.com",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4J7ZYMFZB4G4OU5EDJPQLP6F6RKDGIH/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Patch"
],
"url": "https://github.com/facebook/tac_plus/pull/41"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://github.com/facebook/tac_plus/security/advisories/GHSA-p334-5r3g-4vx3"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4J7ZYMFZB4G4OU5EDJPQLP6F6RKDGIH/"
}
],
"sourceIdentifier": "cve-assign@fb.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-790"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T20:14:19.824Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://github.com/facebook/tac_plus/pull/41"
},
{
"tags": [
"x_refsource_CONFIRM",
"x_transferred"
],
"url": "https://github.com/facebook/tac_plus/security/advisories/GHSA-p334-5r3g-4vx3"
},
{
"tags": [
"x_transferred"
],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4J7ZYMFZB4G4OU5EDJPQLP6F6RKDGIH/"
}
],
"title": "CVE Program Container"
},
{
"affected": [
{
"cpes": [
"cpe:2.3:a:meta:tac_plus:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "tac_plus",
"vendor": "meta",
"versions": [
{
"lessThan": "4fdf178",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-45239",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-19T16:12:07.879707Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-790",
"description": "CWE-790 Improper Filtering of Special Elements",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-09-19T16:18:06.570Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "affected",
"product": "tac_plus",
"vendor": "Meta",
"versions": [
{
"lessThan": "4fdf178",
"status": "affected",
"version": "0",
"versionType": "git"
}
]
}
],
"dateAssigned": "2023-10-05T00:00:00.000Z",
"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."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "CWE-790: Improper Filtering of Special Elements",
"lang": "en"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-10-09T23:06:16.555Z",
"orgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827",
"shortName": "facebook"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/facebook/tac_plus/pull/41"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/facebook/tac_plus/security/advisories/GHSA-p334-5r3g-4vx3"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4J7ZYMFZB4G4OU5EDJPQLP6F6RKDGIH/"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "4fc57720-52fe-4431-a0fb-3d2c8747b827",
"assignerShortName": "facebook",
"cveId": "CVE-2023-45239",
"datePublished": "2023-10-06T17:16:16.797Z",
"dateReserved": "2023-10-05T21:36:59.884Z",
"dateUpdated": "2025-02-13T17:13:58.340Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
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.
Loading…