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CVE-2015-3649

Date: August 18, 2017

The open-uri-cached rubygem allows local users to execute arbitrary Ruby code by creating a directory under /tmp containing "openuri-" followed by a crafted UID, and putting Ruby code in said directory once a meta file is created.

Language: Ruby

Severity Score

Related Resources (8)

http://www.securityfocus.com/bid/74469
http://www.benjaminfleischer.com/2013/03/20/yaml-and-security-in-ruby/
https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L25
https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L115
http://www.openwall.com/lists/oss-security/2015/05/06/2
https://nvd.nist.gov/vuln/detail/CVE-2015-3649
https://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L39
https://www.mend.io/vulnerability-database/CVE-2015-3649

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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