XXE attack in Fireware OS - #VU8533

 

XXE attack in Fireware OS - #VU8533

Published: September 20, 2017


Vulnerability identifier: #VU8533
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to conduct XXE attack.

The weakness exists due to input validation flaw when handling XML message containing an empty member tag. A remote attacker can send a specially crafted login request to the XML-RPC interface, trigger the target wgagent service to crash and cause all user interface sessions to be logged out.

Successful exploitation of the vulnerability results in denial of service.

Affected software

Fireware OS

Remediation

Update to version 12.0.


External References

Related Security Bulletins