CVE-2018-13374: FortiGate & FortiADC - Read-only admins can obtain the LDAP credentials configured in the FortiGate and FortiADC using the LDAP test connectivity feature

Published Jan 22, 2019
·
Updated

A Improper Access Control in Fortinet FortiOS 6.0.2, 5.6.7 and before, FortiADC 6.1.0, 6.0.0 to 6.0.1, 5.4.0 to 5.4.4 allows attacker to obtain the LDAP server login credentials configured in FortiGate via pointing a LDAP server connectivity test request to a rogue LDAP server instead of the configured one.

Other sources

FortiGate's and FortiADC's  read-only admins are able to point an LDAP server connectivity test request to a rogue LDAP server instead of the configured one, in order to obtain the LDAP server login credentials configured in the FortiGate.

— FortiGuard

Fortinet FortiOS and FortiADC contain an improper access control vulnerability that allows attackers to obtain the LDAP server login credentials configured in FortiGate by pointing a LDAP server connectivity test request to a rogue LDAP server.

— CISA

Affected Software

7 affected components
Fortinet FortiOS and FortiADC
Fortinet FortiADC>=5.4.0<5.4.5
Fortinet FortiADC>=6.0.0<6.0.2
Fortinet FortiADC=6.1.0
Fortinet FortiOS<6.0.3
Fortinet FortiOS<=5.6.7
Fortinet FortiOS>=6.0.0<=6.0.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade FortiOS to a version that resolves this vulnerability.

    Fixed in 6.0.2
  2. Upgrade

    Upgrade FortiADC to a version that resolves this vulnerability.

    Fixed in 6.0.1

Event History

Jan 22, 2019
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:29 PM
DescriptionSeverityWeaknessAffected Software
Jun 1, 2021
Advisory Published
via FortiGuard·12:00 AM
Data Sourced
via FortiGuard·12:00 AM
DescriptionSeverityWeaknessAffected Software
Sep 8, 2022
Known Exploited
via CISA·12:00 AM
Known Ransomware
via CISA·12:00 AM
Sep 18, 58448
Event
10:49 AM

Frequently Asked Questions

1

What is the severity of CVE-2018-13374?

CVE-2018-13374 has been classified as a high severity vulnerability due to improper access control allowing attackers to obtain sensitive LDAP server login credentials.

2

How do I fix CVE-2018-13374?

To mitigate CVE-2018-13374, upgrade FortiOS to version 6.0.3 or later, or any version above 5.6.7.

3

Which products are affected by CVE-2018-13374?

CVE-2018-13374 affects Fortinet FortiOS versions 5.6.7 and earlier, and versions 6.0.0 to 6.0.2, along with FortiADC versions 6.1.0, 6.0.0 to 6.0.1, and 5.4.0 to 5.4.4.

4

What type of attack does CVE-2018-13374 enable?

CVE-2018-13374 enables attackers to obtain sensitive LDAP server credentials by directing requests to a rogue LDAP server.

5

Is there a workaround for CVE-2018-13374?

Currently, the recommended action for CVE-2018-13374 is to update to the latest secure versions, as there are no effective workarounds.

Company

Resources

Contact

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