Vulnerability · Published Dec 30, 2024 · Assigned by zdi

CVE-2024-11944iXsystems TrueNAS CORE tarfile.extractall Directory Traversal Remote Code Execution Vulnerability

High 7.5

In plain English

A high-severity path traversal in TrueNAS CORE from iXsystems. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.6% (higher than 76% of all known vulnerabilities).

Severity (CVSS 3.0)7.5High

Exploit odds (30 days)1.6%top 24.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

iXsystems TrueNAS CORE tarfile.extractall Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of iXsystems TrueNAS devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the tarfile.extractall method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-25626.

Affected products (as reported)

Vendor	Product	Versions
iXsystems	TrueNAS CORE	13.3-RELEASE

Weakness: CWE-22 · Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

ZDI-24-1643 x_research-advisory
vendor-provided URL vendor-advisory