PT-2017-14544 · Sanic · Sanic

Yeahxin · Published 2017-11-10 · Updated 2022-05-17 · CVE-2017-16762

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Sanic versions prior to 0.5.1

Description The issue allows reading arbitrary files with directory traversal. This can be demonstrated by the "/static/..%2f" substring, which showcases the vulnerability in handling directory traversal attacks.

Recommendations For versions prior to 0.5.1, update to version 0.5.1 or later to resolve the issue. As a temporary workaround, consider restricting access to the /static/ endpoint to minimize the risk of exploitation.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2017-16762

GHSA-MPMF-HR8P-P49G

PYSEC-2017-40

Affected Products

Sanic

References · 9

• 🔥 https://github.com/channelcat/sanic/issues/633 · Exploit
• https://osv.dev/vulnerability/CVE-2017-16762 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-16762 · Security Note
• https://osv.dev/vulnerability/PYSEC-2017-40 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-mpmf-hr8p-p49g · Vendor Advisory
• https://github.com/sanic-org/sanic · Note
• https://github.com/sanic-org/sanic/pull/635 · Note
• https://github.com/channelcat/sanic/releases/tag/0.5.1 · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/sanic/PYSEC-2017-40.yaml · Note