cve-2019-5181
Vulnerability from cvelistv5
Published
2020-03-11 23:31
Modified
2024-08-04 19:47
Severity ?
EPSS score ?
Summary
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). A specially crafted XML cache file written to a specific location on the device can cause a stack buffer overflow, resulting in code execution. An attacker can send a specially crafted packet to trigger the parsing of this cache file. The destination buffer sp+0x440 is overflowed with the call to sprintf() for any subnetmask values that are greater than 1024-len(‘/etc/config-tools/config_interfaces interface=X1 state=enabled subnet-mask=‘) in length. A subnetmask value of length 0x3d9 will cause the service to crash.
References
▼ | URL | Tags | |
---|---|---|---|
talos-cna@cisco.com | https://talosintelligence.com/vulnerability_reports/TALOS-2019-0963 | Exploit, Technical Description, Third Party Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
Wago | WAGO PFC200 |
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The destination buffer sp+0x440 is overflowed with the call to sprintf() for any subnetmask values that are greater than 1024-len(\u2018/etc/config-tools/config_interfaces interface=X1 state=enabled subnet-mask=\u2018) in length. 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Sightings
Author | Source | Type | Date |
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Nomenclature
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