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Gentoo: GLSA-202003-06 Moderate: Ruby Remote Code Execution Risk

gentoo
Calendar Grey March 12, 2020
Dist Gentoo Esm H88
Various security flaws in Ruby have been identified, potentially enabling remote code execution. It is essential for users to swiftly update to the patched versions for their safety.
Multiple vulnerabilities have been found in Ruby, the worst of which could lead to the remote execution of arbitrary code.

Summary

Multiple vulnerabilities have been discovered in Ruby. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory gentoo code execution remote access vulnerability update recommendations ruby

Resolution

All Ruby 2.4.x users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-lang/ruby-2.4.9:2.4"
All Ruby 2.5.x users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=dev-lang/ruby-2.5.7:2.5"

References

[ 1 ] CVE-2019-15845 https://nvd.nist.gov/vuln/detail/CVE-2019-15845 [ 2 ] CVE-2019-16201 https://nvd.nist.gov/vuln/detail/CVE-2019-16201 [ 3 ] CVE-2019-16254 https://nvd.nist.gov/vuln/detail/CVE-2019-16254 [ 4 ] CVE-2019-16255 https://nvd.nist.gov/vuln/detail/CVE-2019-16255

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202003-06
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: Normal
Title: Ruby: Multiple vulnerabilities
Date: March 13, 2020
Bugs: #696004
ID: 202003-06

Topics%20covered

Topics Covered

security advisory gentoo code execution remote access vulnerability update recommendations ruby

Synopsis

Multiple vulnerabilities have been found in Ruby, the worst of which could lead to the remote execution of arbitrary code.

Background

Ruby is an interpreted object-oriented programming language. The elaborate standard library includes an HTTP server ("WEBRick") and a class for XML parsing ("REXML").

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-lang/ruby < 2.4.9:2.4 >= 2.4.9:2.4 < 2.5.7:2.5 >= 2.5.7:2.5

Impact

===== A remote attacker could execute arbitrary code, have unauthorized access by bypassing intended path matching or cause a Denial of Service condition.

Workaround

There is no known workaround at this time.

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