CVE-2022-35920 Improper Limitation of a Pathname to a Restricted Directory in sanic

2022-08-0121:35:27

CWE-22

GitHub_M

www.cve.org

cve-2022-35920

sanic

web server

directory traversal

upgrade

CVSS3

8.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

EPSS

0.001

Percentile

45.5%

JSON

Sanic is an opensource python web server/framework. Affected versions of sanic allow access to lateral directories when using app.static if using encoded %2F URLs. Parent directory traversal is not impacted. Users are advised to upgrade. There is no known workaround for this issue.

CNA Affected

[
  {
    "product": "sanic",
    "vendor": "sanic-org",
    "versions": [
      {
        "status": "affected",
        "version": ">= 22.0.0, < 22.6.1"
      },
      {
        "status": "affected",
        "version": ">= 21.0.0, < 21.12.2"
      },
      {
        "status": "affected",
        "version": "< 20.12.7"
      }
    ]
  }
]