CVE-2024-52520

Nextcloud Server's link reference provider can be tricked into downloading bigger files than intended

Description

Nextcloud Server is a self hosted personal cloud system. Due to a pre-flighted HEAD request, the link reference provider could be tricked into downloading bigger websites than intended, to find open-graph data. It is recommended that the Nextcloud Server is upgraded to 28.0.10 or 29.0.7 and Nextcloud Enterprise Server is upgraded to 27.1.11.8, 28.0.10 or 29.0.7.

Categories

5.7
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Affected: nextcloud security-advisories
Published at:
Updated at:

References

Link Tags
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pxqf-cfxw-mqmj
https://github.com/nextcloud/server/pull/47627
https://github.com/nextcloud/server/commit/873c42b0f1383d5b6f2b7a481e1d9620ed30f44a

Frequently Asked Questions

What is the severity of CVE-2024-52520?
CVE-2024-52520 has been scored as a medium severity vulnerability.
How to fix CVE-2024-52520?
To fix CVE-2024-52520, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-52520 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-52520 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-52520?
CVE-2024-52520 affects nextcloud security-advisories.
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