An issue was discovered in libmodbus before 3.0.7 and 3.1.x before 3.1.5. There is an out-of-bounds read for the MODBUS_FC_WRITE_MULTIPLE_COILS case, aka VD-1302.
The product reads data past the end, or before the beginning, of the intended buffer.
Link | Tags |
---|---|
https://github.com/stephane/libmodbus/commit/5ccdf5ef79d742640355d1132fa9e2abc7fbaefc | third party advisory patch |
https://libmodbus.org/2019/stable-and-development-releases/ | release notes vendor advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HAGHQFJTJCMYHW553OUWJ3YIJR6PJHB7/ | vendor advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PRAQZXGAZY6UGWZ6CD33QEFLL7AWW233/ | vendor advisory |
https://lists.debian.org/debian-lts-announce/2021/11/msg00020.html | third party advisory mailing list |