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GHSA-m52v-24p8-654f
No affected components available
Sorting table records using an ORDER BY clause with the rand() function as sorting mechanism could cause a panic due to relying on a comparison function that did not implement total order. This event resulted in a panic due to a recent change in Rust 1.81.
Impact
A client that is authorized to run queries in a SurrealDB server would be able to query a table with ORDER BY rand() in order to potentially cause a panic in the sorting function. This would crash the server, leading to denial of service.
Patches
The sorting algorithm has been updated to guarantee total order when shuffling records.
- Version 2.1.0 and later are not affected by this issue.
Workarounds
Affected users who are unable to update may want to limit the ability of untrusted clients to run arbitrary SurrealQL queries in the affected versions of SurrealDB. To limit the impact of the denial of service, SurrealDB administrators may also want to ensure that the SurrealDB process is running so that it can be automatically re-started after a crash.
References
- https://github.com/surrealdb/surrealdb/issues/4969
- https://github.com/surrealdb/surrealdb/pull/4989
- https://github.com/surrealdb/surrealdb/pull/4805
- https://github.com/surrealdb/surrealdb/pull/4906
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. 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 high impact on the availability of the system.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
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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