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Mageia: Security Update 2019-0408 Addressing Ruby Vulnerabilities

mageia
Calendar Grey December 25, 2019
Dist Mageia Esm H88
New Ruby updates address vulnerabilities that could enable unauthorized access and allow code execution. Immediate security patches have been issued.
Updated ruby packages fix security vulnerabilities: It was discovered that Ruby incorrectly handled certain files

Summary

Updated ruby packages fix security vulnerabilities:
It was discovered that Ruby incorrectly handled certain files. An attacker could possibly use this issue to pass path matching what can lead to an unauthorized access (CVE-2019-15845).
It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could use this issue to cause a denial of service (CVE-2019-16201).
It was discovered that Ruby incorrectly handled certain HTTP headers. An attacker could possibly use this issue to execute arbitrary code (CVE-2019-16254).
It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code (CVE-2019-16255).

References

- https://bugs.mageia.org/show_bug.cgi?id=25564

- https://www.ruby-lang.org/en/news/2019/10/01/nul-injection-file-fnmatch-cve-2019-15845/

- https://www.ruby-lang.org/en/news/2019/10/01/webrick-regexp-digestauth-dos-cve-2019-16201/

- https://www.ruby-lang.org/en/news/2019/10/01/http-response-splitting-in-webrick-cve-2019-16254/

- https://www.ruby-lang.org/en/news/2019/10/01/code-injection-shell-test-cve-2019-16255/

- https://www.ruby-lang.org/en/news/2019/10/01/ruby-2-5-7-released/

- https://ubuntu.com/security/notices/USN-4201-1

- https://www.cve.org/CVERecord?id=CVE-2019-15845

- https://www.cve.org/CVERecord?id=CVE-2019-16201

- https://www.cve.org/CVERecord?id=CVE-2019-16254

- https://www.cve.org/CVERecord?id=CVE-2019-16255

Resolution

SRPMS

- 7/core/ruby-2.5.7-20.mga7

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 25 Dec 2019
URL: https://advisories.mageia.org/MGASA-2019-0408.html
Type: security
CVE: CVE-2019-15845, CVE-2019-16201, CVE-2019-16254, CVE-2019-16255

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