Security readout for executives and security teams
Plain-English summary
CVE-2017-11109 is a Vim 8.0 memory-handling flaw triggered by a crafted source file used with the -S option. The documented impact is denial of service from an invalid free, with possible unspecified other impact. The record itself notes only limited scenarios may have security relevance.
Executive priority
Handle through normal patch management unless Vim processes untrusted source files in production workflows. Escalate if automation, shared systems, or developer environments could load attacker-supplied Vim scripts.
Technical view
The flaw involves Vim 8.0 processing a crafted source script, causing an invalid free. Public metadata does not provide CVSS, CWE, fixed versions, or detailed exploitation prerequisites. Debian LTS and Ubuntu published security update advisories, indicating vendor-packaged Vim updates should be checked.
Likely exposure
Exposure is most plausible on systems with Vim 8.0 or affected distro Vim packages where users or automation load untrusted Vim source files. General servers are lower risk unless Vim is exposed in workflows that process attacker-supplied files or scripts.
Exploitation context
The source bundle does not show active exploitation, and KEV status is false. Exploitation appears to require a crafted source file and a scenario where Vim processes it. The CVE notes security relevance may be limited.
Researcher notes
Key evidence is sparse: no CVSS, CWE, CPE, fixed version, or detailed root-cause data appears in the provided bundle. Treat impact beyond denial of service as unconfirmed unless vendor advisories provide more detail.
Mitigation direction
- Check vendor guidance for your distribution's affected Vim packages.
- Apply Debian LTS or Ubuntu Vim security updates where applicable.
- Avoid loading untrusted Vim source files with the -S option.
- Restrict automation that invokes Vim on attacker-controlled inputs.
Validation and detection
- Inventory installed Vim versions and distribution package sources.
- Compare installed packages against Debian LTS and Ubuntu advisories.
- Review scripts or workflows that invoke Vim with source files.
- Confirm untrusted source-file handling is blocked or updated.
Public sources used
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2017-11109 mapping review
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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
- https://bugzilla.redhat.com/show_bug.cgi?id=1468492CVE reference · x_refsource_MISC
- [debian-lts-announce] 20190803 [SECURITY] [DLA 1871-1] vim security updateCVE reference · mailing-list, x_refsource_MLIST
- USN-4309-1CVE reference · vendor-advisory, x_refsource_UBUNTU
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.