CVE-2022-28739

There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.

There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.

Ruby is a fast and easy interpreted scripting language for object-oriented programming. It has many functions for processing text Files and perform system management tasks (such as Perl).

Security Fix(es):

There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.(CVE-2022-28739)

A double free was found in the Regexp compiler in Ruby 3.x before 3.0.4 and 3.1.x before 3.1.2. If a victim attempts to create a Regexp from untrusted user input, an attacker may be able to write to unexpected memory locations.(CVE-2022-28738)

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

The following packages have been upgraded to a later upstream version: ruby (2.6.10). (BZ#2089374)

Security Fix(es):

• Ruby: Buffer overrun in String-to-Float conversion (CVE-2022-28739)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

The following packages have been upgraded to a later upstream version: ruby (2.7.6). (BZ#2109424)

Security Fix(es):

• ruby: Regular expression denial of service vulnerability of Date parsing methods (CVE-2021-41817)

• ruby: Cookie prefix spoofing in CGI::Cookie.parse (CVE-2021-41819)

• Ruby: Buffer overrun in String-to-Float conversion (CVE-2022-28739)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

The following packages have been upgraded to a later upstream version: ruby (3.0.4). (BZ#2109431)

Security Fix(es):

• ruby: Regular expression denial of service vulnerability of Date parsing methods (CVE-2021-41817)

• ruby: Cookie prefix spoofing in CGI::Cookie.parse (CVE-2021-41819)

• Ruby: Double free in Regexp compilation (CVE-2022-28738)

• Ruby: Buffer overrun in String-to-Float conversion (CVE-2022-28739)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

• ruby 3.0: User-installed rubygems plugins are not being loaded [Rocky Linux8] (BZ#2110981)

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

The following packages have been upgraded to a later upstream version: ruby (3.0.4). (BZ#2109428)

Security Fix(es):

• Ruby: Double free in Regexp compilation (CVE-2022-28738)

• Ruby: Buffer overrun in String-to-Float conversion (CVE-2022-28739)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

Security Fix(es):

• ruby/cgi-gem: HTTP response splitting in CGI (CVE-2021-33621)

• ruby: Buffer overrun in String-to-Float conversion (CVE-2022-28739)

• ruby: ReDoS vulnerability in URI (CVE-2023-28755)

• ruby: ReDoS vulnerability in Time (CVE-2023-28756)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 8.9 Release Notes linked from the References section.

There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

The following packages have been upgraded to a later upstream version: ruby (2.7.6). (BZ#2109424)

Security Fix(es):

• ruby: Regular expression denial of service vulnerability of Date parsing methods (CVE-2021-41817)
• ruby: Cookie prefix spoofing in CGI::Cookie.parse (CVE-2021-41819)
• Ruby: Buffer overrun in String-to-Float conversion (CVE-2022-28739)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

The following packages have been upgraded to a later upstream version: ruby (3.0.4). (BZ#2109431)

Security Fix(es):

• ruby: Regular expression denial of service vulnerability of Date parsing methods (CVE-2021-41817)
• ruby: Cookie prefix spoofing in CGI::Cookie.parse (CVE-2021-41819)
• Ruby: Double free in Regexp compilation (CVE-2022-28738)
• Ruby: Buffer overrun in String-to-Float conversion (CVE-2022-28739)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

• ruby 3.0: User-installed rubygems plugins are not being loaded [AlmaLinux8] (BZ#2110981)

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

The following packages have been upgraded to a later upstream version: ruby (3.0.4). (BZ#2109428)

Security Fix(es):

• Ruby: Double free in Regexp compilation (CVE-2022-28738)
• Ruby: Buffer overrun in String-to-Float conversion (CVE-2022-28739)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks.

Security Fix(es):

• ruby/cgi-gem: HTTP response splitting in CGI (CVE-2021-33621)
• ruby: Buffer overrun in String-to-Float conversion (CVE-2022-28739)
• ruby: ReDoS vulnerability in URI (CVE-2023-28755)
• ruby: ReDoS vulnerability in Time (CVE-2023-28756)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.

There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.

• CVE-2021-28965: fix REXML XML round-trip vulnerability
• CVE-2022-28739: fix buffer over-read in String-to-Float conversion

There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.

Double free in Regexp compilation (CVE-2022-28738). A buffer overrun was found in String-to-Float conversion (CVE-2022-28739).

These are all security issues fixed in the libruby3_1-3_1-3.1.2-1.1 package on the GA media of openSUSE Tumbleweed.

These are all security issues fixed in the libruby3_2-3_2-3.2.1-1.1 package on the GA media of openSUSE Tumbleweed.

These are all security issues fixed in the libruby3_3-3_3-3.3.0-1.2 package on the GA media of openSUSE Tumbleweed.

These are all security issues fixed in the libruby3_4-3_4-3.4.1-1.1 package on the GA media of openSUSE Tumbleweed.

These are all security issues fixed in the libruby4_0-4_0-4.0.0~preview2-1.1 package on the GA media of openSUSE Tumbleweed.

This update for ruby2.5 fixes the following issues:

• CVE-2022-28739: Fixed a buffer overrun in String-to-Float conversion (bsc#1198441).
• CVE-2021-41817: Fixed a regular expression denial of service in Date Parsing Methods (bsc#1193035).
• CVE-2021-32066: Fixed a StartTLS stripping vulnerability in Net:IMAP (bsc#1188160).
• CVE-2021-31810: Fixed a trusting FTP PASV responses vulnerability in Net:FTP (bsc#1188161).
• CVE-2021-31799: Fixed a command injection vulnerability in RDoc (bsc#1190375).

It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-28738)

It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. (CVE-2022-28739)

USN-5462-1 fixed several vulnerabilities in Ruby. This update provides the corresponding CVE-2022-28739 update for ruby2.3 on Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information.