Vulnerability Details 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). 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 39.2%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 2.1
References
Products affected by CVE-2019-5177
-
cpe:2.3:h:wago:pfc200:-
-
cpe:2.3:o:wago:pfc200_firmware:03.02.02(14)