Vulnerability-Lookup

CERTFR-2019-AVI-576

Vulnerability from certfr_avis - Published: - Updated:

De multiples vulnérabilités ont été découvertes dans Fortinet FortiClient. Elles permettent à un attaquant de provoquer une exécution de code arbitraire, un déni de service et une élévation de privilèges.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None

Impacted products

	Vendor	Product	Description
	Fortinet	FortiClient	FortiClient pour Linux versions antérieures à 6.2.2

References

Title

Publication Time

Tags

Bulletin de sécurité Fortinet FG-IR-19-238 du 15 novembre 2019

None

vendor-advisory

Show details on source website

JSON

To clipboard

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  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "FortiClient pour Linux versions ant\u00e9rieures \u00e0 6.2.2",
      "product": {
        "name": "FortiClient",
        "vendor": {
          "name": "Fortinet",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": null,
  "content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
  "cves": [
    {
      "name": "CVE-2019-17652",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-17652"
    },
    {
      "name": "CVE-2019-16152",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-16152"
    },
    {
      "name": "CVE-2019-15711",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-15711"
    },
    {
      "name": "CVE-2019-16155",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-16155"
    }
  ],
  "links": [],
  "reference": "CERTFR-2019-AVI-576",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2019-11-18T00:00:00.000000"
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  "risks": [
    {
      "description": "Ex\u00e9cution de code arbitraire"
    },
    {
      "description": "D\u00e9ni de service"
    },
    {
      "description": "\u00c9l\u00e9vation de privil\u00e8ges"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Fortinet\nFortiClient. Elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution\nde code arbitraire, un d\u00e9ni de service et une \u00e9l\u00e9vation de privil\u00e8ges.\n",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Fortinet FortiClient",
  "vendor_advisories": [
    {
      "published_at": null,
      "title": "Bulletin de s\u00e9curit\u00e9 Fortinet FG-IR-19-238 du 15 novembre 2019",
      "url": "https://fortiguard.com/psirt/FG-IR-19-238"
    }
  ]
}

CVE-2019-15711 (GCVE-0-2019-15711)

Vulnerability from cvelistv5 – Published: 2020-02-06 15:10 – Updated: 2024-10-25 14:27

Summary

A privilege escalation vulnerability in FortiClient for Linux 6.2.1 and below may allow an user with low privilege to run system commands under root privilege via injecting specially crafted "ExportLogs" type IPC client requests to the fctsched process.

Severity ?

No CVSS data available.

CWE

Escalation of privilege

Assigner

fortinet

References

URL

Tags

	https://fortiguard.com/psirt/FG-IR-19-238	x_refsource_CONFIRM
	https://danishcyberdefence.dk/blog/forticlient_linux	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Fortinet	Fortinet FortiClientLinux	Affected: FortiClientLinux 6.2.1 and below

Show details on NVD website

JSON

To clipboard

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CVE-2019-16155 (GCVE-0-2019-16155)

Vulnerability from cvelistv5 – Published: 2020-02-07 14:47 – Updated: 2024-10-25 14:03

Summary

A privilege escalation vulnerability in FortiClient for Linux 6.2.1 and below may allow a user with low privilege to overwrite system files as root with arbitrary content through system backup file via specially crafted "BackupConfig" type IPC client requests to the fctsched process. Further more, FortiClient for Linux 6.2.2 and below allow low privilege user write the system backup file under root privilege through GUI thus can cause root system file overwrite.

Severity ?

No CVSS data available.

CWE

Escalation of privilege

Assigner

fortinet

References

URL

Tags

	https://fortiguard.com/psirt/FG-IR-19-238	x_refsource_CONFIRM
	https://danishcyberdefence.dk/blog/forticlient_linux	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Fortinet	Fortinet FortiClientLinux	Affected: FortiClientLinux 6.2.1 and below

Show details on NVD website

JSON

To clipboard

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CVE-2019-17652 (GCVE-0-2019-17652)

Vulnerability from cvelistv5 – Published: 2020-02-06 15:23 – Updated: 2024-10-25 14:03

Summary

A stack buffer overflow vulnerability in FortiClient for Linux 6.2.1 and below may allow a user with low privilege to cause FortiClient processes running under root priviledge crashes via sending specially crafted "StartAvCustomScan" type IPC client requests to the fctsched process due the argv data not been well sanitized.

Severity ?

No CVSS data available.

CWE

Escalation of privilege

Assigner

fortinet

References

URL

Tags

	https://fortiguard.com/psirt/FG-IR-19-238	x_refsource_CONFIRM
	https://danishcyberdefence.dk/blog/forticlient_linux	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Fortinet	Fortinet FortiClientLinux	Affected: FortiClientLinux 6.2.1 and below

Show details on NVD website

JSON

To clipboard

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CVE-2019-16152 (GCVE-0-2019-16152)

Vulnerability from cvelistv5 – Published: 2020-02-06 15:27 – Updated: 2024-10-25 14:03

Summary

A Denial of service (DoS) vulnerability in FortiClient for Linux 6.2.1 and below may allow an user with low privilege to cause FortiClient processes running under root privilege crashes via sending specially crafted IPC client requests to the fctsched process due the nanomsg not been correctly validated.

Severity ?

No CVSS data available.

CWE

Escalation of privilege

Assigner

fortinet

References

URL

Tags

	https://fortiguard.com/psirt/FG-IR-19-238	x_refsource_CONFIRM
	https://danishcyberdefence.dk/blog/forticlient_linux	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Fortinet	Fortinet FortiClientLinux	Affected: FortiClientLinux 6.2.1 and below

Show details on NVD website

JSON

To clipboard

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Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

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.

Detection rules are retrieved from Rulezet.

Action not permitted

CERTFR-2019-AVI-576

Solution

CVE-2019-15711 (GCVE-0-2019-15711)

CVE-2019-16155 (GCVE-0-2019-16155)

CVE-2019-17652 (GCVE-0-2019-17652)

CVE-2019-16152 (GCVE-0-2019-16152)

Tags

Sightings

Nomenclature