CVE-2019-5177 - 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)

Back Back to CVE browser

MEDIUM

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)

Published Mar 11, 2020

5.5

MEDIUM

CVSS 3.1

EPSS 0.46%

Description

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 products

Vendor Wago Product Wago Pfc200 Default
n/a
- Version
  Firmware version 03.02.02(14)
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Wago

Wago Pfc200

n/a

Version	Status	Constraints
Firmware version 03.02.02(14)	affected	-

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-787

Out-of-bounds Write

References (2)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-14782
Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0963
x_refsource_MISCExploitTechnical DescriptionThird Party Advisory

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-14782		Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0963		x_refsource_MISCExploitTechnical DescriptionThird Party Advisory