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 (hide)

OR cpe:2.3:o:openwrt:openwrt:*:*:*:*:*:*:*:*
cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*
cpe:2.3:o:openwrt:openwrt:19.07.0:rc1:*:*:*:*:*:*
cpe:2.3:o:openwrt:openwrt:19.07.0:rc2:*:*:*:*:*:*

History

No history.

Information

Published : 2020-03-16 18:15

Updated : 2024-02-28 17:47


NVD link : CVE-2019-19945

Mitre link : CVE-2019-19945

CVE.ORG link : CVE-2019-19945


JSON object : View

Products Affected

openwrt

  • openwrt
CWE
CWE-125

Out-of-bounds Read

CWE-681

Incorrect Conversion between Numeric Types