CVE-2019-5182: Buffer Overflow
First published: Wed Mar 11 2020(Updated: )
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+0x440 is overflowed with the call to sprintf() for any type values that are greater than 1024-len(‘/etc/config-tools/config_interfaces interface=X1 state=enabled config-type=‘) in length. A type value of length 0x3d9 will cause the service to crash.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| WAGO PFC200 Firmware | =03.02.02\(14\) | |
| WAGO PFC200 |
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Frequently Asked Questions
What is CVE-2019-5182?
CVE-2019-5182 is an exploitable stack buffer overflow vulnerability in the iocheckd service 'I/O-Check' functionality of WAGO PFC 200 Firmware version 03.02.02(14).
How severe is CVE-2019-5182?
CVE-2019-5182 has a severity rating of 5.5, which is considered medium.
How does CVE-2019-5182 affect WAGO PFC 200 Firmware?
CVE-2019-5182 affects WAGO PFC 200 Firmware version 03.02.02(14).
How can CVE-2019-5182 be exploited?
CVE-2019-5182 can be exploited by sending a specially crafted packet to trigger the parsing of a cache file in the iocheckd service.
Is WAGO PFC200 vulnerable to CVE-2019-5182?
No, WAGO PFC200 is not vulnerable to CVE-2019-5182.
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