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LIN1018-2954 : Security Advisory - ruby - CVE-2018-16396

Created: Nov 15, 2018    Updated: Mar 7, 2019
Resolved Date: Feb 21, 2019
Found In Version: unknown
Fix Version: 10.18.44.4
Severity: Standard
Applicable for: Wind River Linux LTS 18
Component/s: Userspace

Description

Array#pack method converts the receiver's contents into a string with specified format. If the receiver contains some tainted objects, the returned string also should be tainted. String#unpack method which converts the receiver into an array also should propagate its tainted flag to the objects contained in the returned array. But, with B, b, H and h directives, the tainted flags are not propagated. So, if a script processes unreliable inputs by Array#pack and/or String#unpack with these directives and checks the reliability with tainted flags, the check might be wrong.

https://nvd.nist.gov/vuln/detail/CVE-2018-16396

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