CVE intelligence and bounded remediation

CVE-2018-5237 — Symantec Endpoint Protection security vulnerability

High CVSS 8.8

Symantec Endpoint Protection prior to 14 RU1 MP1 or 12.1 RU6 MP10 could be susceptible to a privilege escalation vulnerability, which is a type of issue that allows a user to gain elevated access to resources that are normally protected at lower access levels.

Severity
High
CVSS
8.8 (3.0)
Published
2018-06-20
CISA KEV
Not currently listed
Ecosystem
software/application

Affected products

  • symantec / endpoint_protection
  • symantec / endpoint_protection / 12.1
  • symantec / endpoint_protection / 14.0

Matched remediation archetype

Privilege escalation and unsafe privilege management

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Check exposure

  • Map service accounts, operating-system identities, roles, capabilities, impersonation, set-user transitions, and administrative helper paths.
  • Determine whether untrusted users or lower-privilege processes can reach the affected transition or modify inputs it trusts.
  • Review file, socket, registry, device, job, container, and cloud-role permissions used before and after privilege changes.

Remediate safely

  • Apply the supported fix and redesign privileged operations as a minimal, authenticated, allowlisted interface.
  • Drop privileges before processing untrusted input, verify the drop succeeds, and remove unnecessary roles, capabilities, and write permissions.
  • Validate ownership and permissions at time of use and add explicit lower-to-higher privilege boundary tests.

Authoritative sources

Complete CVE record and remediation plan

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