valyala fasthttp up to 1.33.x ServeFile pathname traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in valyala fasthttp up to 1.33.x. This vulnerability affects the function ServeFile. This manipulation causes pathname traversal. This vulnerability is registered as CVE-2022-21221. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in valyala fasthttp up to 1.33.x and classified as problematic. Affected by this vulnerability is the function ServeFile. The manipulation with an unknown input leads to a pathname traversal vulnerability. The CWE definition for the vulnerability is CWE-21. As an impact it is known to affect confidentiality.

The weakness was published 03/17/2022 as 1226. The advisory is shared at github.com. This vulnerability is known as CVE-2022-21221 since 02/24/2022. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 1.34.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 15262ecf3c602364639d465daba1e7f3604d00e8 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (Snyk): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Pathname traversal
CWE: CWE-21 / CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: fasthttp 1.34.0
Patch: 15262ecf3c602364639d465daba1e7f3604d00e8

Timelineinfo

02/24/2022 🔍
03/17/2022 +21 days 🔍
03/17/2022 +0 days 🔍
03/20/2022 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: 1226
Status: Confirmed

CVE: CVE-2022-21221 (🔍)
GCVE (CVE): GCVE-0-2022-21221
GCVE (VulDB): GCVE-100-195385

Entryinfo

Created: 03/17/2022 17:15
Updated: 03/20/2022 10:07
Changes: 03/17/2022 17:15 (53), 03/20/2022 10:07 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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