02 October 2017

KLCERT-17-004: Sentinel LDK RTE: Stack overflow in custom XML-parser leads to remote denial of service

Vendor

Sentinel

Timeline

Timeline

  • Kaspersky ICS CERT advisory published

    02 October 2017

  • Vendor released security update

    21 July 2017

  • First feedback from vendor

    26 June 2017

Description

Stack overflow in custom XML-parser in Gemalto’s HASP SRM, Sentinel HASP and Sentinel LDK products prior to Sentinel LDK RTE version 7.55 leads to remote denial of service

Exploitability

Remotely

Attack complexity

Low

User interaction

None

Impact

An unauthenticated attacker may be able to exploit vulnerability and cause denial of service on remote system.

Existence of exploit

Unknown

Affected products

HASP SRM, Sentinel HASP and Sentinel LDK products, prior to Sentinel LDK RTE 7.6.

Mitigation

Vendor mitigation

Customers who use Sentinel LDK RTE prior to LDK RTE 7.60 are advised to update their Sentinel LDK RTE to v7.60 or higher. This update can be found on the Sentinel Downloads site.

Kaspersky Lab mitigation

For Industrial Control Systems it is necessary:

  • implement network monitoring to detect suspicious behavior on the remote port 1947;
  • monitor the suspicious file executions.

Kaspersky Lab publishes information on newly identified vulnerabilities in order to raise user awareness of the IT security threats detected. Kaspersky Lab does not make any guarantees in respect of information received from vendors of products in which vulnerabilities have been identified, which is included in the following sections of the advisory: Affected Products, Vendor Mitigation.

Timeline

  • Kaspersky ICS CERT advisory published

    02 October 2017

  • Vendor released security update

    21 July 2017

  • First feedback from vendor

    26 June 2017