PT-2019-12678 · Typora · Typora

R0T0Tiller · Published 2019-05-17 · Updated 2020-08-24 · CVE-2019-12172

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Typora version 0.9.9.21.1

Description The issue allows for arbitrary code execution through a modified file: URL syntax in the HREF attribute of an AREA element. This can be achieved using specific file paths, such as file: on macOS or Linux, or file://C| on Windows.

Recommendations For version 0.9.9.21.1, consider disabling the use of file: URL syntax in the HREF attribute of AREA elements until a patch is available. Restrict access to potentially vulnerable AREA elements 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

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2019-12172

Affected Products

Typora

References · 3

• 🔥 https://github.com/typora/typora-issues/issues/2166 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-12172 · Security Note
• https://osv.dev/vulnerability/CVE-2019-12172 · Vendor Advisory