CVE-2022-21221

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
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.
Overview
  • CVE ID
  • CVE-2022-21221
  • Assigner
  • report@snyk.io
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-03-17T12:15:08
  • Last Modified Date
  • 2022-03-24T02:27:51
Weakness Enumerations
CWE URL
CWE-22 http://cwe.mitre.org/data/definitions/22.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:fasthttp_project:fasthttp:*:*:*:*:*:*:*:* 1 OR 1.34.0
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2022-21221
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21221
History
Created Old Value New Value Data Type Notes
2022-04-04 00:42:34 Added to TrackCVE
2022-12-06 12:41:07 2022-03-17T12:15Z 2022-03-17T12:15:08 CVE Published Date updated
2022-12-06 12:41:07 2022-03-24T02:27:51 CVE Modified Date updated
2022-12-06 12:41:07 Analyzed Vulnerability Status updated