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TalosCVE-2019-5177

HistoryMar 12, 2020 - 12:15 a.m.

CVE-2019-5177

2020-03-1200:15:18

CWE-787

talos

web.nvd.nist.gov

cve-2019-5177

exploitable

stack

buffer overflow

vulnerability

wago

pfc 200

firmware

nvd

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.2

Confidence

High

EPSS

Percentile

5.1%

JSON

An exploitable stack buffer overflow vulnerability vulnerability exists in the iocheckd service ‘I/O-Check’ functionality of WAGO PFC 200 Firmware version 03.02.02(14). The destination buffer sp+0x440 is overflowed with the call to sprintf() for any domainname values that are greater than 1024-len(‘/etc/config-tools/edit_dns_server domain-name=‘) in length. A domainname value of length 0x3fa will cause the service to crash.

Affected configurations

Nvd

Vulners

Node

wagopfc200_firmwareMatch03.02.02\(14\)

AND

wagopfc200Match-

VendorProductVersionCPE
wagopfc200_firmware03.02.02(14)cpe:2.3:o:wago:pfc200_firmware:03.02.02\(14\):*:*:*:*:*:*:*
wagopfc200-cpe:2.3:h:wago:pfc200:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
wago	pfc200_firmware	03.02.02(14)	cpe:2.3:o:wago:pfc200_firmware:03.02.02\(14\):::::::*
wago	pfc200	-	cpe:2.3:h:wago:pfc200:-:::::::*

CNA Affected

[
  {
    "product": "WAGO PFC200",
    "vendor": "Wago",
    "versions": [
      {
        "status": "affected",
        "version": "Firmware version 03.02.02(14)"
      }
    ]
  }
]

References

talosintelligence.com/vulnerability_reports/TALOS-2019-0963

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.2

Confidence

High

EPSS

Percentile

5.1%

JSON

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