CVE-2021-32703: Lack of ratelimit on shareinfo endpoint
First published: Mon Jul 12 2021(Updated: )
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, there was a lack of ratelimiting on the shareinfo endpoint. This may have allowed an attacker to enumerate potentially valid share tokens. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Nextcloud Nextcloud Server | <19.0.13 | |
| Nextcloud Nextcloud Server | >=20.0.0<20.0.11 | |
| Nextcloud Nextcloud Server | >=21.0.0<21.0.3 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 |
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Reference Links
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-375p-cxxq-gc9p
- https://github.com/nextcloud/server/pull/26945
- https://hackerone.com/reports/1173684
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BVZS26RDME2DYTKET5AECRIZDFUGR2AZ/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J63NBVPR2AQCAWRNDOZSGRY5II4WS2CZ/
- https://security.gentoo.org/glsa/202208-17
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J63NBVPR2AQCAWRNDOZSGRY5II4WS2CZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BVZS26RDME2DYTKET5AECRIZDFUGR2AZ/
- collector/nvd-index
- agent/weakness
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/title
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- agent/last-modified-date
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- vendor/nextcloud
- canonical/nextcloud nextcloud server
- version/nextcloud nextcloud server/20.0.0
- version/nextcloud nextcloud server/21.0.0
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/33
- version/fedoraproject fedora/34