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ruby-lang webrick - vulnerabilities and exploits
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5.3
CVSSv3
CVE-2020-10933
An issue exists in Ruby 2.5.x up to and including 2.5.7, 2.6.x up to and including 2.6.5, and 2.7.0. If a victim calls BasicSocket#read_nonblock(requested_size, buffer, exception: false), the method resizes the buffer to fit the requested size, but no data is copied. Thus, the bu...
Ruby-lang Ruby
Ruby-lang Ruby 2.7.0
Fedoraproject Fedora 31
Debian Debian Linux 10.0
6.1
CVSSv3
CVE-2015-9096
Net::SMTP in Ruby prior to 2.4.0 is vulnerable to SMTP command injection via CRLF sequences in a RCPT TO or MAIL FROM command, as demonstrated by CRLF sequences immediately before and after a DATA substring.
Ruby-lang Ruby
7.5
CVSSv3
CVE-2020-5247
In Puma (RubyGem) prior to 4.3.2 and prior to 3.12.3, if an application using Puma allows untrusted input in a response header, an attacker can use newline characters (i.e. `CR`, `LF` or`/r`, `/n`) to end the header and inject malicious content, such as additional headers or an e...
Ruby-lang Ruby
Puma Puma
Ruby-lang Ruby 2.7.0
Debian Debian Linux 9.0
Fedoraproject Fedora 30
Fedoraproject Fedora 31
Fedoraproject Fedora 32
7.5
CVSSv3
CVE-2019-16201
WEBrick::HTTPAuth::DigestAuth in Ruby up to and including 2.4.7, 2.5.x up to and including 2.5.6, and 2.6.x up to and including 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Intern...
Ruby-lang Ruby
Debian Debian Linux 8.0
2 Github repositories
5.3
CVSSv3
CVE-2019-16254
Ruby up to and including 2.4.7, 2.5.x up to and including 2.5.6, and 2.6.x up to and including 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 he...
Ruby-lang Ruby
Debian Debian Linux 8.0
7.5
CVSSv3
CVE-2021-41819
CGI::Cookie.parse in Ruby up to and including 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem up to and including 0.3.0 for Ruby.
Ruby-lang Ruby
Ruby-lang Cgi 0.3.0
Ruby-lang Cgi 0.2.0
Ruby-lang Cgi 0.1.0
Redhat Enterprise Linux 8.0
Redhat Software Collections -
Debian Debian Linux 9.0
Debian Debian Linux 10.0
Debian Debian Linux 11.0
Suse Linux Enterprise 12.0
Suse Linux Enterprise 15.0
Suse Linux Enterprise 11.0
Opensuse Factory -
Opensuse Leap 15.2
Fedoraproject Fedora 34
Fedoraproject Fedora 35
8.1
CVSSv3
CVE-2019-16255
Ruby up to and including 2.4.7, 2.5.x up to and including 2.5.6, and 2.6.x up to and including 2.6.4 allows code injection if the first argument (aka the "command" argument) to Shell#[] or Shell#test in lib/shell.rb is untrusted data. An attacker can exploit this to cal...
Ruby-lang Ruby
Debian Debian Linux 8.0
Debian Debian Linux 9.0
Opensuse Leap 15.1
Oracle Graalvm 19.3.0.2
6.5
CVSSv3
CVE-2019-15845
Ruby up to and including 2.4.7, 2.5.x up to and including 2.5.6, and 2.6.x up to and including 2.6.4 mishandles path checking within File.fnmatch functions.
Ruby-lang Ruby
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.04
Canonical Ubuntu Linux 19.10
CVSSv3
CVSSv2
CVSSv3
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