CVE-2019-16201

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 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 Internet or a untrusted network...

CVE-2019-16254

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...

UBUNTU-CVE-2019-16201

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 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 Internet or a untrusted network...

UBUNTU-CVE-2019-16254

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...

CVE-2017-10784

It was found that WEBrick did not sanitize all its log messages. If logs were printed in a terminal, an attacker could interact with the terminal via the use of escape sequences...

Regular Expression Denial Of Service (ReDoS)

webrick is vulenrable to regex denial of service. An attacker is able to crash the application by submitting malicious strings within the Authorization header to the authentication module...

HTTP Response Splitting

webrick is vulnerable to HTTP response splitting. Lack of sanitization in the HTTP headers allow an attacker to inject CRLF characters and cause users to render malicious content. The exploit is possible when the application parses untrusted user input into an HTTP header in the response...

HTTP response splitting in WEBrick (Additional fix)

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. This is the same issue as CVE-2017-17742. The previous fix was incomplete, which addressed the...

ruby -- multiple vulnerabilities

Ruby news: This release includes security fixes. Please check the topics below for details. CVE-2019-15845: A NUL injection vulnerability of File.fnmatch and File.fnmatch? A NUL injection vulnerability of Ruby built-in methods File.fnmatch and File.fnmatch? was found. An attacker who has the...

HTTP response splitting in WEBrick (Additional fix)

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. This is the same issue as CVE-2017-17742. The previous fix was incomplete, which addressed the...

Regular Expression Denial of Service vulnerability of WEBrick's Digest access authentication

Regular expression denial of service vulnerability of WEBrick’s Digest authentication module was found. An attacker can exploit this vulnerability to cause an effective denial of service against a WEBrick service...

Amazon Linux 2 : ruby (ALAS-2019-1276)

It was found that WEBrick could be forced to use an excessive amount of memory during the processing of HTTP requests, leading to a Denial of Service. An attacker could use this flaw to send huge requests to a WEBrick application, resulting in the server running out of memory. CVE-2018-8777 It wa...

Medium: ruby

Issue Overview: It was found that WEBrick could be forced to use an excessive amount of memory during the processing of HTTP requests, leading to a Denial of Service. An attacker could use this flaw to send huge requests to a WEBrick application, resulting in the server running out of memory...

ruby: HTTP response splitting in WEBrick

It was found that WEBrick did not sanitize headers sent back to clients, resulting in a response-splitting vulnerability. An attacker, able to control the server's headers, could force WEBrick into injecting additional headers to a client...

ruby: DoS by large request in WEBrick

It was found that WEBrick could be forced to use an excessive amount of memory during the processing of HTTP requests, leading to a Denial of Service. An attacker could use this flaw to send huge requests to a WEBrick application, resulting in the server running out of memory...

Ruby: WEBrick::HTTPAuth::DigestAuth authentication is vulnerable to regular expression denial of service (ReDoS)

The private instance method splitparamvalue in class WEBrick::HTTPAuth::DigestAuth uses a regular expression that is vulnerable to denial of service due to catastrophic backtracking. The regular expression is: ^\s\w-.\%!+=\s"\.|^""\s,? Source:...

PT-2019-4672

Name of the Vulnerable Software and Affected Versions Ruby versions 2.4.7 and earlier, 2.5.x through 2.5.6, 2.6.x through 2.6.4 Description The issue is related to a regular expression Denial of Service caused by looping/backtracking in the WEBrick::HTTPAuth::DigestAuth class in Ruby. This can be...

Denial Of Service (DoS)

Ruby is vulnerable to denial of serviceDoS attacks. This exists on WEBrick server during the processing of HTTP requests. An attacker could use this flaw to send huge requests to a WEBrick application, resulting in the server running out of memory...

Privilege Escalation

WEBrick is vulnerable to privilege escalation attacks. WEBrick does not sanitize all its log messages allowing remote attackers to interact with the terminal via the use of escape sequences...

EulerOS Virtualization for ARM 64 3.0.1.0 : ruby (EulerOS-SA-2019-1407)

According to the versions of the ruby packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - It was discovered that the Net::FTP module did not properly process filenames in combination with certain operations. A...