Unauthenticated Attacker Can Bypass CSRF Check and Create New Admin Account
CVE-2023-7273

6.8MEDIUM

Key Information:

Vendor

Kiteworks

Status
Owncloud
Vendor
CVE Published:
1 October 2024

What is CVE-2023-7273?

Cross site request forgery in Kiteworks OwnCloud allows an unauthenticated attacker to forge requests. If a request has no Authorization header, it is created with an empty string as value by a rewrite rule. The CSRF check is done by comparing the header value to null, meaning that the existing CSRF check is bypassed in this case. An attacker can, for example, create a new administrator account if the request is executed in the browser of an authenticated victim.

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Affected Version(s)

OwnCloud 0 <= 10.12.2

References

https://hackerone.com/reports/2041007
issue-tracking
https://cirosec.de/sa/sa-2023-012
third-party-advisory

CVSS V3.1

Score:
6.8
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Pascal Geuter <pascal.geuter@cirosec.de>
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