CVE-2026-82525: Exterro FTK Imager < 8.3 XXE via Report.xml XSLT Processing
Exterro FTK Imager before 8.3 contains an XML external entity (XXE) injection vulnerability that allows attackers to read arbitrary files from the host filesystem by embedding malicious external entity references and attacker-controlled XSLT stylesheets within a Report.xml file inside a UFDR ZIP evidence item. Attackers can craft a malicious UFDR archive that, when previewed by an examiner, causes the XML parser to resolve file:// external entity references and execute msxsl:script within the external stylesheet to exfiltrate the resolved file contents to an attacker-controlled endpoint via a generated image URL.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Exterro FTK Imagerto a version that resolves this vulnerability.Fixed in 8.3 - Compensating control
Prevent/limit processing of UFDR ZIP evidence items containing a crafted Report.xml with attacker-controlled external entity references and XSLT (e.g., block or isolate UFDR items before previewing in FTK Imager).
Event History
Frequently Asked Questions
Who is exposed to this issue?
Examiners using Exterro FTK Imager versions before 8.3 are exposed when they preview a malicious UFDR ZIP evidence item containing a crafted Report.xml file.
What must an attacker provide or cause the victim to do?
An attacker must craft a UFDR archive with malicious external entity references and an attacker-controlled XSLT stylesheet, then cause an examiner to preview that archive.
What can an attacker obtain through successful exploitation?
The vulnerability can allow reading arbitrary files from the host filesystem. Resolved file contents can be exfiltrated to an attacker-controlled endpoint through a generated image URL.
What version addresses the issue?
The issue affects versions before 8.3; version 8.3 is identified as the fixed release.