XXE in NSA Ghidra



Published: 2019-07-17 | Updated: 2019-09-30
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-13625
CWE-ID CWE-611
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		Ghidra
Universal components / Libraries / Software for developers

Vendor National Security Agency

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) XML External Entity injection

EUVDB-ID: #VU21436

Risk: Low

CVSSv3.1: 3.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2019-13625

CWE-ID: CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied XML input when opening or restoring a project. A remote attacker can create a specially crafted XML file, trick the victin into opening it and perform XXE attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Ghidra: 9.0.0

External links

http://blog.fxiao.me/ghidra/
http://github.com/NationalSecurityAgency/ghidra/issues/71
http://xlab.tencent.com/en/2019/03/18/ghidra-from-xxe-to-rce/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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