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Ruby through 2.4.7 2.5.x through 2.5.6 and 2.6.x through 2.6.4 allows HTTP Response Splitting. If a program using WEBrick inserts untrusted input into the response header an attacker can exploit it to insert a newline character to split a header and inject malicious content to deceive clients. NOTE: this issue exists because of an incomplete fix for CVE-2017-17742 which addressed the CRLF vector but did not address an isolated CR or an isolated LF.

🗓️ 25 Sep 2020 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

Ruby WEBrick versions allow HTTP header splitting from untrusted input due to CVE 2017 17742 fix.

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25 Sep 2020 07:00Current
8.1High risk
Vulners AI Score8.1
CVSS 25
CVSS 35.3
CVSS 3.15.3
EPSS0.01152
2