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FortinetCVE-2018-9192

HistorySep 05, 2018 - 1:29 p.m.

CVE-2018-9192

2018-09-0513:29:00

CWE-203

fortinet

web.nvd.nist.gov

cve-2018-9192

plaintext recovery

encrypted messages

man-in-the-middle attack

rsa pkcs #1 v1.5

fortinet fortios

ssl deep inspection

cpx

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

5.6

Confidence

High

EPSS

0.001

Percentile

31.9%

JSON

A plaintext recovery of encrypted messages or a Man-in-the-middle (MiTM) attack on RSA PKCS #1 v1.5 encryption may be possible without knowledge of the server’s private key. Fortinet FortiOS 5.4.6 to 5.4.9, 6.0.0 and 6.0.1 are vulnerable by such attack under SSL Deep Inspection feature when CPx being used.

Affected configurations

Nvd

Node

fortinetfortiosRange5.4.6–5.4.9

fortinetfortiosMatch6.0.0

fortinetfortiosMatch6.0.1

VendorProductVersionCPE
fortinetfortios*cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
fortinetfortios6.0.0cpe:2.3:o:fortinet:fortios:6.0.0:*:*:*:*:*:*:*
fortinetfortios6.0.1cpe:2.3:o:fortinet:fortios:6.0.1:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
fortinet	fortios	*	cpe:2.3:o:fortinet:fortios::::::::
fortinet	fortios	6.0.0	cpe:2.3:o:fortinet:fortios:6.0.0:::::::*
fortinet	fortios	6.0.1	cpe:2.3:o:fortinet:fortios:6.0.1:::::::*

CNA Affected

[
  {
    "product": "FortiOS",
    "vendor": "Fortinet, Inc.",
    "versions": [
      {
        "status": "affected",
        "version": "6.0.1, 6.0.0"
      },
      {
        "status": "affected",
        "version": "5.4.9, 5.4.8, 5.4.7, 5.4.6"
      }
    ]
  }
]

References

fortiguard.com/advisory/FG-IR-17-302

robotattack.org/

www.kb.cert.org/vuls/id/144389

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

5.6

Confidence

High

EPSS

0.001

Percentile

31.9%

JSON

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