CVE-2023-49104

Description

An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation, and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker.

Category

8.7
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.06%
Vendor Advisory owncloud.com Vendor Advisory owncloud.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://owncloud.org/security vendor advisory
https://owncloud.com/security-advisories/subdomain-validation-bypass/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-49104?
CVE-2023-49104 has been scored as a high severity vulnerability.
How to fix CVE-2023-49104?
To fix CVE-2023-49104, 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-2023-49104 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-49104 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.
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