01 Record

CVE-2015-3649

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

UnratedPUBLISHEDCNA: mitre

CNA base scoreUnratedNo CNA CVSS vector

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02 Description

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

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.38% probability of exploitation activity in the next 30 days.
EPSS percentile: Equal to or higher than the score of 32.6% of scored records. A rank, not a probability.
NVD base score: 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2017-08-18 16:00Z9 YR AGO

Last updated

2024-08-06 05:47Z2 YR AGO

Reserved

2015-05-06

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

64b0a20eec7f57b14eafbcec48bc56ae8631e0ee574144eeea6ef8b4db7e5127

05 Affected products

VendorProductVersionsPlatforms

open-uri-cached_projectopen-uri-cachedNot specified—

06 References

github.comhttps://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L39x_refsource_MISC
github.comhttps://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L115x_refsource_MISC
github.comhttps://github.com/tigris/open-uri-cached/blob/master/lib/open-uri/cached.rb#L25x_refsource_MISC
www.openwall.com[oss-security] 20150506 Re: Local privileges escalation in rubygem open-uri-cachedhttp://www.openwall.com/lists/oss-security/2015/05/06/2mailing-listx_refsource_MLIST
www.securityfocus.com74469http://www.securityfocus.com/bid/74469vdb-entryx_refsource_BID
www.benjaminfleischer.comhttp://www.benjaminfleischer.com/2013/03/20/yaml-and-security-in-ruby/x_refsource_MISC