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Lack of ratelimit on shareinfo endpoint

Low
LukasReschke published GHSA-375p-cxxq-gc9p Jul 12, 2021

Package

Nextcloud Server

Affected versions

< 19.0.13, < 20.0.11, < 21.0.3

Patched versions

19.0.13, 20.0.11, 21.0.3

Description

Impact

There was a lack of ratelimiting on the shareinfo endpoint. This may have allowed an attacker to enumerate potentially valid share tokens.

Patches

It is recommended that the Nextcloud Server is upgraded to 19.0.13, 20.0.11 or 21.0.3

Workarounds

None.

References

For more information

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Severity

Low

CVE ID

CVE-2021-32703

Weaknesses