17 August 2018

KLCERT-18-014: Eltex ESR-200 Router Build-in user with highest privileges

Researcher

Alexander Nochvay

Timeline

Timeline

  • Kaspersky ICS CERT advisory published

    August 2018

  • Vulnerability patched

    August 2018

  • Vulnerability reported

    June 2017

Description

A authenticated attacker with low privileges can activate high privileged user and use it to expand attack surface.

Exploitability

Remotely

Attack complexity

Low

User interaction

None

Impact

A authenticated attacker with low privileges can activate high privileged user and use it to expand attack surface.

Existence of exploit

Unknown

Affected products

Eltex ESR-200 firmware version 1.2.0

Mitigation

Vendor mitigation

Update firmware: ver 1.3.0

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

    August 2018

  • Vulnerability patched

    August 2018

  • Vulnerability reported

    June 2017