XXE attack in Cisco AnyConnect Secure Mobility Client - CVE-2018-0100

 

XXE attack in Cisco AnyConnect Secure Mobility Client - CVE-2018-0100

Published: January 22, 2018


Vulnerability identifier: #VU10120
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-0100
CWE-ID: CWE-611
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Cisco Systems, Inc
Affected software:
Cisco AnyConnect Secure Mobility Client

Detailed vulnerability description

The vulnerability allows a local unauthenticated attacker to perform XXE attack on the target system.

The weakness exists in the Profile Editor of the Cisco AnyConnect Secure Mobility Client due to improper handling of XML External Entity (XXE) entries when parsing an XML file. A local attacker can inject a specially crafted XML file with malicious entries to gain read and write access to the files.

How to mitigate CVE-2018-0100

Install update from vendor's website.

Sources