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PRIOn knowledge basePRION:CVE-2023-26103HistoryFeb 25, 2023 - 5:15 a.m.
Design/Logic Flaw
2023-02-2505:15:00
PRIOn knowledge base
www.prio-n.com
2
deno package
redos
upgradewebsocket function
regular expression denial of service
nvd
web socket server
0.001 Low
EPSS
Percentile
48.1%
Versions of the package deno before 1.31.0 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the upgradeWebSocket function, which contains regexes in the form of /s*,s*/, used for splitting the Connection/Upgrade header. A specially crafted Connection/Upgrade header can be used to significantly slow down a web socket server.
References
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