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Debian: Security Advisory for ruby2.5 (DSA-4721-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'ruby2.5' package(s) announced via the DSA-4721-1 advisory.
Insight
Insight
Several vulnerabilities have been discovered in the interpreter for the Ruby language. CVE-2020-10663 Jeremy Evans reported an unsafe object creation vulnerability in the json gem bundled with Ruby. When parsing certain JSON documents, the json gem can be coerced into creating arbitrary objects in the target system. CVE-2020-10933 Samuel Williams reported a flaw in the socket library which may lead to exposure of possibly sensitive data from the interpreter.
Affected Software
Affected Software
'ruby2.5' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the stable distribution (buster), these problems have been fixed in version 2.5.5-3+deb10u2. We recommend that you upgrade your ruby2.5 packages.