#VU104114 XML External Entity injection in BlazeDS - CVE-2009-3960

Vulnerability identifier: #VU104114

Vulnerability risk: High

CVSSv4.0: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2009-3960

CWE-ID: CWE-611

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
BlazeDS
Server applications / Other server solutions

Vendor: Adobe

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. A remote attacker can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.

Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

BlazeDS: 3.2.0.3978

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External links
https://www.exploit-db.com/exploits/41855/

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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?

Yes. This vulnerability is being exploited in the wild.