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GHSA-ccj3-5p93-8p42
No affected components available
The SurrealDB command-line tool allows exporting databases through the export command. It was discovered that table or field names are not properly sanitized in exports, leading to a SurrealQL injection when the backup is reimported.
For the injection to occur, an authenticated System User with OWNER or EDITOR roles needs to create tables or fields with malicious names containing SurrealQL, subsequently exported using the export operation
The attacker could achieve a privilege escalation and root level access to the SurrealDB instance if a higher privileged user subsequently performs the import operation.
Furthermore, applications using SurrealDB that allow its users to define custom fields or tables are at risk of a universal second order SurrealQL injection, even if query parameters are properly sanitized.
This issue was discovered and patched during an code audit and penetration test of SurrealDB by cure53, the severity defined within cure53's preliminary finding is Critical, matched by our CVSS v4 assessment.
Impact
This attack can be used to perform privilege escalation and complete takeover (root access) of the SurrealDB instance, as well as being able to perform SurrealQL injection attacks against co-tenanted applications where SurrealDB is used as a shared backend for multiple applications.
Patches
A patch has been created that addresses the issue by fixing the bugs in the exporter which failed to escape some characters properly.
- Versions 2.0.5, 2.1.5, 2.2.2 and later are not affected by this issue.
Workarounds
For SurrealDB users that are unable to upgrade, users that are looking to perform import operations must manually inspect the exported data for injected statements, prior to importing.
References
SurrealDB Documentation - Export SurrealDB Documentation - Import SurrealDB Documentation - Authentication
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 basic access or low-level privileges.
Exploitation activity has been observed. Apply available patches or mitigations urgently.
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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