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GHSA-95v5-prp4-5gv5
No affected components available
Impact
A vulnerability in the SCM URL parsing used by Backstage integrations allowed path traversal sequences in encoded form to be included in file paths. When these URLs were processed by integration functions that construct API URLs, the traversal segments could redirect requests to unintended SCM provider API endpoints using the configured server-side integration credentials.
This affects instances that use any of the SCM integrations (GitHub, Bitbucket Server, Bitbucket Cloud) with the scaffolder or other features that accept user-provided SCM URLs.
Patches
This is patched in @backstage/integration version 1.20.1.
Workarounds
There is no workaround for this vulnerability. Users should upgrade to the patched version.
References
- Backstage SCM integration documentation: https://backstage.io/docs/integrations/
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs high-level or administrative privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a low impact on the confidentiality of the information.
Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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