The vulnerability of the library authentication function in WEBrick allows a hacker to execute arbitrary commands.

The vulnerability of the WEBrick library’s authentication function in the Ruby distribution is related to incorrect processing of output data for registration logs. Exploiting this vulnerability allows a malicious actor to inject control sequences and execute arbitrary commands in the user’s...

Amazon Linux AMI : ruby24 (ALAS-2017-915)

Arbitrary heap exposure during a JSON.generate call Ruby through 2.2.7, 2.3.x through 2.3.4, and 2.4.x through 2.4.1 can expose arbitrary memory during a JSON.generate call. The issues lies in using strdup in ext/json/ext/generator/generator.c, which will stop after encountering a '\0' byte,...

Medium: ruby24

Issue Overview: Arbitrary heap exposure during a JSON.generate call Ruby through 2.2.7, 2.3.x through 2.3.4, and 2.4.x through 2.4.1 can expose arbitrary memory during a JSON.generate call. The issues lies in using strdup in ext/json/ext/generator/generator.c, which will stop after encountering a...

GHSA-6MQ2-37J5-W6R6 WEBrick Improper Input Validation vulnerability

WEBrick 1.3.1 in Ruby 1.8.6 through patchlevel 383, 1.8.7 through patchlevel 248, 1.8.8dev, 1.9.1 through patchlevel 376, and 1.9.2dev writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrar...

WEBrick Improper Input Validation vulnerability

WEBrick 1.3.1 in Ruby 1.8.6 through patchlevel 383, 1.8.7 through patchlevel 248, 1.8.8dev, 1.9.1 through patchlevel 376, and 1.9.2dev writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrar...

WEBrick Improper Input Validation vulnerability

WEBrick 1.3.1 in Ruby 1.8.6 through patchlevel 383, 1.8.7 through patchlevel 248, 1.8.8dev, 1.9.1 through patchlevel 376, and 1.9.2dev writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window's title, or possibly execute arbitrar...

MGASA-2017-0371 Updated ruby packages fix security vulnerabilities

If a malicious format string which contains a precious specifier is passed and a huge minus value is also passed to the specifier, buffer underrun may be caused. In such situation, the result may contains heap, or the Ruby interpreter may crash CVE-2017-0898. If a malicious string is passed to th...

Updated ruby packages fix security vulnerabilities

If a malicious format string which contains a precious specifier is passed and a huge minus value is also passed to the specifier, buffer underrun may be caused. In such situation, the result may contains heap, or the Ruby interpreter may crash CVE-2017-0898. If a malicious string is passed to th...

Medium: ruby22, ruby23

Issue Overview: SMTP command injection via CRLF sequences in RCPT TO or MAIL FROM commands in Net::SMTP A SMTP command injection flaw was found in the way Ruby's Net::SMTP module handled CRLF sequences in certain SMTP commands. An attacker could potentially use this flaw to inject SMTP commands i...

Debian DLA-1113-1 : ruby1.8 security update

Some vulnerabilities were found in the Ruby 1.8 package that affects the LTS distribution. CVE-2017-0898 Buffer underrun vulnerability in Kernel.sprintf CVE-2017-10784 Escape sequence injection vulnerability in the Basic authentication of WEBrick For Debian 7 'Wheezy', these problems have been...

Debian DLA-1114-1 : ruby1.9.1 security update

Multiple vulnerabilities were discovered in the Ruby 1.9 interpretor. CVE-2017-0898 Buffer underrun vulnerability in Kernel.sprintf CVE-2017-0899 ANSI escape sequence vulnerability CVE-2017-0900 DOS vulernerability in the query command CVE-2017-0901 gem installer allows a malicious gem to overwri...

ALPINE-CVE-2017-10784

The Basic authentication code in WEBrick library in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows remote attackers to inject terminal emulator escape sequences into its log and possibly execute arbitrary commands via a crafted user name...

Authentication flaw

The Basic authentication code in WEBrick library in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows remote attackers to inject terminal emulator escape sequences into its log and possibly execute arbitrary commands via a crafted user name...

CVE-2017-10784

The Basic authentication code in WEBrick library in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows remote attackers to inject terminal emulator escape sequences into its log and possibly execute arbitrary commands via a crafted user name...

CVE-2017-10784

The Basic authentication code in WEBrick library in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows remote attackers to inject terminal emulator escape sequences into its log and possibly execute arbitrary commands via a crafted user name...

CVE-2017-10784

CVE-2017-10784 affects Ruby’s WEBrick Basic authentication: an attacker can inject terminal escape sequences into WEBrick logs via a crafted username, potentially affecting the attacker’s terminal emulator. Deb and related advisories confirm the vulnerability exists in WEBrick in Ruby versions pr...

CVE-2017-10784

Removed by vendor...

CVE-2017-10784

The Basic authentication code in WEBrick library in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows remote attackers to inject terminal emulator escape sequences into its log and possibly execute arbitrary commands via a crafted user name...

CVE-2017-10784

The Basic authentication code in WEBrick library in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows remote attackers to inject terminal emulator escape sequences into its log and possibly execute arbitrary commands via a crafted user name...

CVE-2017-10784

The Basic authentication code in WEBrick library in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows remote attackers to inject terminal emulator escape sequences into its log and possibly execute arbitrary commands via a crafted user name...