CVE-2019-19945

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.
References
Link Resource
https://github.com/openwrt/openwrt/commits/master Patch Third Party Advisory
https://openwrt.org/advisory/2020-01-13-1 Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*
cpe:2.3:a:openwrt:openwrt:19.07.0:rc2:*:*:*:*:*:*
cpe:2.3:a:openwrt:openwrt:19.07.0:rc1:*:*:*:*:*:*
cpe:2.3:a:openwrt:openwrt:*:*:*:*:*:*:*:*

Information

Published : 2020-03-16 06:15

Updated : 2020-08-24 05:37


NVD link : CVE-2019-19945

Mitre link : CVE-2019-19945

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read

CWE-681