high7.5
CVE-2019-19945
uhttpd in OpenWrt through 18.06.5 and 19.x through 19.07.0-rc2 has an integer signedness error.
Impact
uhttpd in OpenWrt through 18.06.5 and 19.x through 19.07.0-rc2 has an integer signedness error. This leads to out-of-bounds access to a heap buffer and a subsequent crash. It can be triggered with an HTTP POST request to a CGI script, specifying both "Transfer-Encoding: chunked" and a large negative Content-Length value.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Openwrt | Openwrt | from 18.06.0 through 18.06.5 Version 19.07.0 |