CVE-2018-0373: Input Validation

Published Jun 21, 2018
·
Updated

A vulnerability in vpnva-6.sys for 32-bit Windows and vpnva64-6.sys for 64-bit Windows of Cisco AnyConnect Secure Mobility Client for Windows Desktop could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected system. The vulnerability is due to improper validation of user-supplied data. An attacker could exploit this vulnerability by sending a malicious request to the application. A successful exploit could allow the attacker to cause a DoS condition on the affected system. Cisco Bug IDs: CSCvj47654.

Affected Software

10 affected components
Cisco AnyConnect Secure Mobility Client=4.5\(58\)
Cisco AnyConnect Secure Mobility Client=4.5\(1044\)
Cisco AnyConnect Secure Mobility Client=4.5\(2033\)
Cisco AnyConnect Secure Mobility Client=4.5\(2036\)
Cisco AnyConnect Secure Mobility Client=4.5\(3040\)
Cisco AnyConnect Secure Mobility Client=4.5\(4029\)
Cisco AnyConnect Secure Mobility Client=4.5\(5030\)
Cisco AnyConnect Secure Mobility Client=4.6\(362\)
Cisco AnyConnect Secure Mobility Client=4.6\(1098\)
Microsoft Windows

Event History

Jun 21, 2018
CVE Published
via MITRE·11:00 AM
Data Sourced
via MITRE·11:00 AM
DescriptionWeakness
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Frequently Asked Questions

1

What is CVE-2018-0373?

CVE-2018-0373 is a vulnerability in vpnva-6.sys for 32-bit Windows and vpnva64-6.sys for 64-bit Windows of Cisco AnyConnect Secure Mobility Client for Windows Desktop, which could allow an authenticated, local attacker to cause a denial of service (DoS) condition on an affected system.

2

How severe is CVE-2018-0373?

CVE-2018-0373 has a severity rating of 5.5 out of 10 (medium).

3

Which software is affected by CVE-2018-0373?

Cisco AnyConnect Secure Mobility Client versions 4.5(58), 4.5(1044), 4.5(2033), 4.5(2036), 4.5(3040), 4.5(4029), 4.5(5030), 4.6(362), and 4.6(1098) are affected by CVE-2018-0373.

4

How can I fix CVE-2018-0373?

To fix CVE-2018-0373, it is recommended to upgrade to a fixed version of Cisco AnyConnect Secure Mobility Client. Please refer to the Cisco Security Advisory for more information.

5

Where can I find more information about CVE-2018-0373?

You can find more information about CVE-2018-0373 in the following references: 1) [SecurityFocus](http://www.securityfocus.com/bid/104548), 2) [SecurityTracker](http://www.securitytracker.com/id/1041176), and 3) [Cisco Security Advisory](https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-anyconnect-dos).

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