CVE-2019-5176 | BDVDB-2026-131985 Detail

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). An attacker can send a specially crafted packet to trigger the parsing of this cache file.The destination buffer sp+0x40 is overflowed with the call to sprintf() for any gateway values that are greater than 512-len(‘/etc/config-tools/config_default_gateway number=0 state=enabled value=‘) in length. A gateway value of length 0x7e2 will cause the service to crash.

Impact#

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Exploit#

History#

1. Version 12020-03-11Record published in the CVE List.
2. Version 22024-08-04Most recent update recorded in the CVE List.