CVE-2022-21221

The package github.com/valyala/fasthttp before 1.34.0 are vulnerable to Directory Traversal via the ServeFile function, due to improper sanitization. It is possible to be exploited by using a backslash %5c character in the path. **Note:** This security issue impacts Windows users only.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/valyala/fasthttp/commit/15262ecf3c602364639d465daba1e7f3604d00e8	Patch Third Party Advisory
https://github.com/valyala/fasthttp/issues/1226	Exploit Issue Tracking Patch Third Party Advisory
https://github.com/valyala/fasthttp/commit/6b5bc7bb304975147b4af68df54ac214ed2554c1	Patch Third Party Advisory
https://github.com/valyala/fasthttp/releases/tag/v1.34.0	Release Notes Third Party Advisory
https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMVALYALAFASTHTTP-2407866	Exploit Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:fasthttp_project:fasthttp:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Information

Published : 2022-03-17 05:15

Updated : 2022-03-23 19:27

NVD link : CVE-2022-21221

Mitre link : CVE-2022-21221

JSON object : View

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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Products Affected

fasthttp_project

fasthttp

microsoft

windows

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