PT-2019-12653 · Macdown · Macdown

Rootup · Published 2019-05-16 · Updated 2019-05-16 · CVE-2019-12138

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions MacDown version 0.7.1

Description The issue allows directory traversal, enabling the execution of arbitrary programs. This can be achieved by including a file:/// or ../ substring in a shared note.

Recommendations For MacDown version 0.7.1, consider avoiding the use of file:/// or ../ substrings in shared notes until a fix is available. As a temporary workaround, restrict access to shared notes to minimize the risk of exploitation.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2019-12138

Affected Products

Macdown

References · 3

• 🔥 https://github.com/MacDownApp/macdown/issues/1076 · Exploit
• https://osv.dev/vulnerability/CVE-2019-12138 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-12138 · Security Note