High severity · published May 16, 2019
CVE-2019-12138
MacDown 0.7.1 allows directory traversal, for execution of arbitrary programs, via a file:/// or ../ substring in a shared note
7.8
CVSS
0.9%
EPSS
No
On KEV
Description
MacDown 0.7.1 allows directory traversal, for execution of arbitrary programs, via a file:/// or ../ substring in a shared note.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Macdown · Macdown Project
0.7.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-12138
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-12138
Exploit
https://github.com/MacDownApp/macdown/issues/1076
More from Macdown
8.8
CVE-2019-12173
MacDown 0.7.1 (870) allows remote code execution via a file:\\\ URI, with a .app pathname, in the HREF attribute of an A element