StackStorm st2api Unauthorized Access Vulnerability [CVE-2018-20345]

CVE Number – CVE-2018-20345

A vulnerability in the st2api of StackStorm could allow a local attacker to gain unauthorised access to a targeted system. The vulnerability exists because the affected software improperly handles query parameter filters. An attacker could exploit this vulnerability by using a malicious query filter on the targeted system. A successful exploit could allow the attacker to access unauthorised data on the targeted system, which could be used to conduct further attacks. StackStorm has confirmed the vulnerability and released software updates.

Analysis

  • To exploit this vulnerability, the attacker must have user-level access to the targeted system. This access requirement may reduce the likelihood of a successful exploit.

Safeguards

  • Administrators are advised to apply the appropriate updates.Administrators are advised to allow only trusted users to access local systems.Administrators are advised to allow only privileged users to access administration or management systems.Administrators are advised to monitor critical systems.

Vendor Announcements

Fixed Software

Duncan Newell

Duncan is a technology professional with over 20 years experience of working in various IT roles. He also has a wide range of other skills in radio, electronics and telecommunications.

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