Http4s up to 0.21.23/0.22.0-M8/0.23.0-M1/1.0.0-M22 file Scheme StaticFile.fromUrl path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Http4s up to 0.21.23/0.22.0-M8/0.23.0-M1/1.0.0-M22. Affected by this issue is the function StaticFile.fromUrl of the component file Scheme Handler. Executing a manipulation can lead to path traversal. This vulnerability is registered as CVE-2021-32643. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Http4s up to 0.21.23/0.22.0-M8/0.23.0-M1/1.0.0-M22 and classified as critical. This vulnerability affects the function StaticFile.fromUrl of the component file Scheme Handler. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality.

The weakness was published 05/28/2021. The advisory is available at github.com. This vulnerability was named CVE-2021-32643. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading to version 0.21.24, 0.22.0-M9, 0.23.0-M2 or 1.0.0-M23 eliminates this vulnerability. Applying a patch 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.

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Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Path traversal
CWE: 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: Http4s 0.21.24/0.22.0-M9/0.23.0-M2/1.0.0-M23
Patch: github.com

Timelineinfo

05/12/2021 🔍
05/28/2021 +16 days 🔍
05/28/2021 +0 days 🔍
05/30/2021 +2 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-32643 (🔍)
GCVE (CVE): GCVE-0-2021-32643
GCVE (VulDB): GCVE-100-175990

Entryinfo

Created: 05/28/2021 07:11
Updated: 05/30/2021 14:15
Changes: 05/28/2021 07:11 (39), 05/30/2021 14:14 (6), 05/30/2021 14:15 (1)
Complete: 🔍
Cache ID: 216::103

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