Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.01
EPSS Ranking 75.7%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
Products affected by CVE-2019-19945
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cpe:2.3:o:openwrt:openwrt:18.06.0
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cpe:2.3:o:openwrt:openwrt:18.06.1
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cpe:2.3:o:openwrt:openwrt:18.06.2
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cpe:2.3:o:openwrt:openwrt:18.06.3
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cpe:2.3:o:openwrt:openwrt:18.06.4
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cpe:2.3:o:openwrt:openwrt:18.06.5
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cpe:2.3:o:openwrt:openwrt:19.07.0