CVE-2015-3649
CVE-2015-3649 is a high-severity vulnerability in Open-uri-cached Project Open-uri-cached with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 4.6
- EPSS exploit prediction: 0% (31st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Open-uri-cached Project Open-uri-cached
- Published:
- Last modified:
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 directory once a meta file is created.
Frequently asked questions
- What is 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 directory once a meta file is created.
- How severe is CVE-2015-3649?
- CVE-2015-3649 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2015-3649 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2015-3649?
- CVE-2015-3649 affects Open-uri-cached Project Open-uri-cached. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2015-3649?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2015-3649 published?
- CVE-2015-3649 was published on 2017-08-18 and last updated on 2026-06-17.
References
- http://www.benjaminfleischer.com/2013/03/20/yaml-and-security-in-ruby/
- http://www.openwall.com/lists/oss-security/2015/05/06/2
- http://www.securityfocus.com/bid/74469
- 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
Affected products (1)
- cpe:2.3:a:open-uri-cached_project:open-uri-cached:0.0.5:*:*:*:*:*:*:*
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