CherryPy Malicious cookies allow access to files outside the session directory

2022-05-0123:28:42

CWE-22

GitHub Advisory Database

github.com

6.9 Medium

AI Score

Confidence

Low

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.009 Low

EPSS

Percentile

82.7%

JSON

Directory traversal vulnerability in the _get_file_path function in (1) lib/sessions.py in CherryPy 3.0.x up to 3.0.2, (2) filter/sessionfilter.py in CherryPy 2.1, and (3) filter/sessionfilter.py in CherryPy 2.x allows remote attackers to create or delete arbitrary files, and possibly read and write portions of arbitrary files, via a crafted session id in a cookie.