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TalosCVE-2019-5073

HistoryDec 18, 2019 - 9:15 p.m.

CVE-2019-5073

2019-12-1821:15:13

CWE-200

talos

web.nvd.nist.gov

cve-2019-5073

wago pfc200

wago pfc100

firmware

iocheckd

information exposure

vulnerability

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

AI Score

5.1

Confidence

High

EPSS

0.001

Percentile

37.6%

JSON

An exploitable information exposure vulnerability exists in the iocheckd service “I/O-Check” functionality of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause an external tool to fail, resulting in uninitialized stack data to be copied to the response packet buffer. An attacker can send unauthenticated packets to trigger this vulnerability.

Affected configurations

Nvd

Node

wagopfc_200_firmwareMatch03.00.39\(12\)

wagopfc_200_firmwareMatch03.01.07\(13\)

AND

wagopfc_200Match-

Node

wagopfc_100_firmwareMatch03.00.39\(12\)

AND

wagopfc_100Match-

VendorProductVersionCPE
wagopfc_200_firmware03.00.39(12)cpe:2.3:o:wago:pfc_200_firmware:03.00.39\(12\):*:*:*:*:*:*:*
wagopfc_200_firmware03.01.07(13)cpe:2.3:o:wago:pfc_200_firmware:03.01.07\(13\):*:*:*:*:*:*:*
wagopfc_200-cpe:2.3:h:wago:pfc_200:-:*:*:*:*:*:*:*
wagopfc_100_firmware03.00.39(12)cpe:2.3:o:wago:pfc_100_firmware:03.00.39\(12\):*:*:*:*:*:*:*
wagopfc_100-cpe:2.3:h:wago:pfc_100:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
wago	pfc_200_firmware	03.00.39(12)	cpe:2.3:o:wago:pfc_200_firmware:03.00.39\(12\):::::::*
wago	pfc_200_firmware	03.01.07(13)	cpe:2.3:o:wago:pfc_200_firmware:03.01.07\(13\):::::::*
wago	pfc_200	-	cpe:2.3:h:wago:pfc_200:-:::::::*
wago	pfc_100_firmware	03.00.39(12)	cpe:2.3:o:wago:pfc_100_firmware:03.00.39\(12\):::::::*
wago	pfc_100	-	cpe:2.3:h:wago:pfc_100:-:::::::*

CNA Affected

[
  {
    "product": "WAGO PFC200",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Firmware version 03.01.07(13)"
      },
      {
        "status": "affected",
        "version": "Firmware version 03.00.39(12)"
      }
    ]
  },
  {
    "product": "WAGO PFC100",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Firmware version 03.00.39(12)"
      }
    ]
  }
]

References

talosintelligence.com/vulnerability_reports/TALOS-2019-0862

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

AI Score

5.1

Confidence

High

EPSS

0.001

Percentile

37.6%

JSON

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