#VU10902 XXE attack in Cisco Secure Access Control - CVE-2018-0218

Vulnerability identifier: #VU10902

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-0218

CWE-ID: CWE-611

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Secure Access Control
Server applications / Directory software, identity management

Vendor: Cisco Systems, Inc

Description
The vulnerability allows a remote attacker to conduct XXE attack.

The weakness exists in the web-based user interface due to improper handling of XML External Entities (XXEs) when parsing an XML file. A remote attacker can trick the administrator of an affected system to import a crafted XML file, perform XXE attack and read arbitrary data.

Mitigation
Update to version 5.8 patch 9.

Vulnerable software versions

Cisco Secure Access Control: 5.8.0.8

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180307-acs1

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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?

No. We are not aware of malware exploiting this vulnerability.