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CVE
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CVE-2015-3649Date: (C)2017-08-22   (M)2023-12-22


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.8CVSS Score : 4.6
Exploit Score: 1.8Exploit Score: 3.9
Impact Score: 5.9Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
BID-74469
http://www.openwall.com/lists/oss-security/2015/05/06/2
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#L115
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#L39

CWE    1
CWE-20

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