PT-2022-20786 · Pallets · Flask

Ghost · Published 2022-07-11 · Updated 2022-07-15 · CVE-2022-31516

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 Harveyzyh/Python repository versions prior to 2022-05-04

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

Recommendations For versions prior to 2022-05-04, consider updating to a version where the Flask send file function is used safely, or as a temporary workaround, restrict the use of the send file function to minimize the risk of path traversal exploitation.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2022-31516

Affected Products

Flask

References · 3

• 🔥 https://github.com/github/securitylab/issues/669#issuecomment-1117265726 · Exploit
• https://osv.dev/vulnerability/CVE-2022-31516 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-31516 · Security Note