Jellyfin vulnerable to directory traversal and file write causing arbitrary code execution
CVE-2023-30626

8.8HIGH

Key Information:

Vendor

Jellyfin

Status
Jellyfin
Vendor
CVE Published:
24 April 2023

What is CVE-2023-30626?

The Jellyfin media system is impacted by a directory traversal vulnerability in the ClientLogController, specifically targeting the /ClientLog/Document endpoint. This flaw allows an attacker to potentially exploit the system, particularly when combined with a cross-site scripting vulnerability, leading to unauthorized file writes and the execution of arbitrary code. To mitigate this issue, users are advised to upgrade to version 10.8.10, which contains the necessary patches. Currently, no workarounds are available to address this security concern.

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Affected Version(s)

jellyfin >= 10.8.0, < 10.8.10

References

https://github.com/jellyfin/jellyfin/security/advisories/...
x_refsource_CONFIRM
https://github.com/jellyfin/jellyfin-web/security/advisor...
x_refsource_MISC
https://github.com/jellyfin/jellyfin/pull/5918
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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