Backstage up to 0.15.8 Scaffolder Task path traversal

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Backstage up to 0.15.8. It has been classified as critical. Affected by this issue is some unknown functionality of the component Scaffolder Task. Performing a manipulation results in path traversal. This vulnerability is identified as CVE-2021-41151. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic has been found in Backstage up to 0.15.8. This affects an unknown code block of the component Scaffolder Task. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality.

The weakness was released 10/19/2021 as GHSA-pvv8-8fx9-h673. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-41151 since 09/15/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 0.15.9 eliminates this vulnerability. Applying the patch 6968962c920508eae19a4c1c200fa2c8980a4006 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: 4.7
VulDB Meta Temp Score: 4.7

VulDB Base Score: 2.7
VulDB Temp Score: 2.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.8
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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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: Backstage 0.15.9
Patch: 6968962c920508eae19a4c1c200fa2c8980a4006

Timelineinfo

09/15/2021 🔍
10/19/2021 +34 days 🔍
10/19/2021 +0 days 🔍
10/22/2021 +3 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-pvv8-8fx9-h673
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-41151 (🔍)
GCVE (CVE): GCVE-0-2021-41151
GCVE (VulDB): GCVE-100-184581

Entryinfo

Created: 10/19/2021 05:00
Updated: 10/22/2021 18:22
Changes: 10/19/2021 05:00 (51), 10/22/2021 18:22 (2)
Complete: 🔍
Cache ID: 216::103

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