GMS-2022-439: SSRF in repository migration

March 14, 2022 (updated March 18, 2022)

Impact

The malicious user is able to discover services in the internal network through repository migration functionality. All installations accepting public traffic are affected.

Patches

Internal network CIDRs are prohibited to be used as repository migration targets. Users should upgrade to 0.12.5 or the latest 0.13.0+dev.

Workarounds

Run Gogs in its own private network.

References

https://www.huntr.dev/bounties/327797d7-ae41-498f-9bff-cc0bf98cf531/

For more information

If you have any questions or comments about this advisory, please post on #6754.

References

github.com/advisories/GHSA-q347-cg56-pcq4
github.com/gogs/gogs/security/advisories/GHSA-q347-cg56-pcq4
www.huntr.dev/bounties/327797d7-ae41-498f-9bff-cc0bf98cf531/

Code Behaviors & Features

Detect and mitigate GMS-2022-439 with GitLab Dependency Scanning

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