PT-2022-20783 · Flask · Flask

Ghost · Published 2022-07-11 · Updated 2022-07-15 · CVE-2022-31513

Positive Technologies (AI Summary)

CVSS v3.1

9.3

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions BolunHan/Krypton repository through 2021-06-03

Description The issue allows absolute path traversal due to the unsafe use of the Flask send file function.

Recommendations For versions through 2021-06-03, consider restricting access to the send file function until a safer implementation is available. As a temporary workaround, avoid using the send file function with untrusted input to minimize the risk of path traversal exploitation.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2022-31513

Affected Products

Flask

References · 3

• 🔥 https://github.com/github/securitylab/issues/669#issuecomment-1117265726 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-31513 · Security Note
• https://osv.dev/vulnerability/CVE-2022-31513 · Vendor Advisory