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CVE Record

CVE-2018-1000839: LH-EHR version REL-2_0_0 contains a Arbitrary File Upload vulnerability in Profile picture upload that can...

LH-EHR version REL-2_0_0 contains a Arbitrary File Upload vulnerability in Profile picture upload that can result in Remote Code Execution. This attack appear to be exploitable via Uploading a PHP file with image MIME type.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

LH-EHR REL-2_0_0 has a profile-picture upload flaw that may let an attacker upload a PHP file disguised as an image, leading to remote code execution. The supplied sources do not provide CVSS scoring, confirmed affected CPEs, or evidence of active exploitation.

Executive priority

Prioritize review where LH-EHR is internet-accessible or used by many untrusted users. Even without active exploitation evidence, the stated impact is remote code execution, which can affect patient-data confidentiality, system integrity, and service availability.

Technical view

CVE-2018-1000839 describes arbitrary file upload in LH-EHR REL-2_0_0 profile picture handling. The CVE states exploitation is via a PHP file using an image MIME type, with remote code execution impact. Source detail is limited to the CVE record, GitHub issue, and public write-up.

Likely exposure

Exposure is most likely where LH-EHR REL-2_0_0 is deployed and user profile-picture upload is reachable. The source bundle does not identify other affected versions, CPEs, hosting assumptions, or authentication requirements.

Exploitation context

The vulnerability has public references, but the bundle does not show CISA KEV listing or confirmed active exploitation. Treat public-facing upload paths as higher risk because the stated outcome is remote code execution.

Researcher notes

Evidence is sparse: severity, CVSS, CWE, CPE, authentication context, and fixed version are not supplied. Do not assume broader product impact beyond LH-EHR REL-2_0_0 unless vendor sources confirm it.

Mitigation direction

  • Check LibreHealthIO guidance and issue 1223 for a fixed release or official mitigation.
  • Inventory LH-EHR deployments and identify any REL-2_0_0 instances.
  • Restrict access to profile-picture upload functionality until remediation is confirmed.
  • Ensure uploaded profile images cannot execute server-side scripts.
  • Review web-server upload directories for unexpected executable files.

Validation and detection

  • Confirm whether LH-EHR REL-2_0_0 is present in the environment.
  • Map whether profile-picture upload is exposed to untrusted users.
  • Review upload validation and storage behavior for executable file handling.
  • Check server logs for suspicious profile-picture upload activity.
  • Verify remediation against vendor guidance before returning upload access to normal.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
description · low confidence lookup

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 lookup
cve · low confidence lookup

CVE-2018-1000839 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.