PT-2018-9501 · Librehealthio · Librehealthio Lh-Ehr

Prodigysml · Published 2018-08-20 · Updated 2019-10-03 · CVE-2018-1000648

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions LibreHealthIO lh-ehr version REL-2.0.0

Description The issue concerns an authenticated unrestricted file write vulnerability in patient file letter functions. This can lead to writing files with malicious content, potentially resulting in remote code execution. The attack is exploitable via user-controlled parameters, such as username or file content, in API endpoints like "/patient/file/letter".

Recommendations For LibreHealthIO lh-ehr version REL-2.0.0, consider restricting access to the patient file letter functions until a patch is available. As a temporary workaround, restrict the use of user-controlled parameters in the vulnerable functions to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

CVE-2018-1000648

Affected Products

Librehealthio Lh-Ehr

References · 4

• 🔥 https://github.com/LibreHealthIO/lh-ehr/issues/1213 · Exploit
• 🔥 https://0dd.zone/2018/08/07/lh-ehr-Authenticated-File-Write-Letter-PHP · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-1000648 · Security Note
• https://osv.dev/vulnerability/CVE-2018-1000648 · Vendor Advisory