Security readout for executives and security teams
CVE-2018-1000073 is a RubyGems directory traversal flaw. Under the described symlinked install-base condition, RubyGems could write files outside the intended root. Business risk is highest on developer workstations, CI systems, build servers, and production hosts that still run the affected Ruby/RubyGems versions. Exposure is most likely where legacy Ruby installations still use bundled vulnerable RubyGems versions, especially on CI, packaging, deployment, or application hosts that install gems. Linux distributions issued Ruby security updates, so patched vendor packages reduce exposure. Treat this as a legacy-platform cleanup item with moderate urgency. Prioritize systems that build, deploy, or install Ruby packages, because those environments often run with elevated filesystem access and can affect software supply-chain integrity. Mitigation focus: Inventory Ruby and RubyGems versions across servers, CI, and developer images.; Apply relevant Debian, Ubuntu, Red Hat, or openSUSE security updates.; Upgrade RubyGems to version 2.7.6 or later where supported..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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File access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2018-1000073 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- DSA-4219CVE reference · vendor-advisory, x_refsource_DEBIAN
- USN-3621-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- RHSA-2018:3729CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2018:3730CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2018:3731CVE reference · vendor-advisory, x_refsource_REDHAT
- https://github.com/rubygems/rubygems/commit/1b931fc03b819b9a0214be3eaca844ef534175e2CVE reference · x_refsource_MISC
- [debian-lts-announce] 20180827 [SECURITY] [DLA 1480-1] ruby2.1 security updateCVE reference · mailing-list, x_refsource_MLIST
- DSA-4259CVE reference · vendor-advisory, x_refsource_DEBIAN
- RHSA-2019:2028CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2020:0542CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2020:0591CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2020:0663CVE reference · vendor-advisory, x_refsource_REDHAT
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
