medium
6.7
CWE
134
Advisory Published
CVE Published
Updated
Advisory Published

CVE-2023-36640: Format String Bug in cli command

First published: Tue May 14 2024(Updated: )

A use of externally-controlled format string in Fortinet FortiProxy versions 7.2.0 through 7.2.4, 7.0.0 through 7.0.10, 2.0.0 through 2.0.13, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6, 1.0.0 through 1.0.7, FortiPAM versions 1.0.0 through 1.0.3, FortiOS versions 7.2.0, 7.0.0 through 7.0.12, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15, 6.0.0 through 6.0.16 allows attacker to execute unauthorized code or commands via specially crafted commands

Credit: psirt@fortinet.com

Affected SoftwareAffected VersionHow to fix
Fortinet FortiProxy>=1.0.0<=1.0.7
Fortinet FortiProxy>=1.1.0<=1.1.6
Fortinet FortiProxy>=1.2.0<=1.2.13
Fortinet FortiProxy>=2.0.0<=2.0.14
Fortinet FortiProxy>=7.0.0<=7.0.10
Fortinet FortiProxy>=7.2.0<=7.2.4
FortiGuard FortiPAM<=1.0.3
Fortinet FortiOS IPS Engine>=6.0.0<=6.0.16
Fortinet FortiOS IPS Engine>=6.2.0<=6.2.16
Fortinet FortiOS IPS Engine>=6.4.0<=6.4.14
Fortinet FortiOS IPS Engine>=7.0.0<=7.0.12
Fortinet FortiOS IPS Engine=7.2.0
Fortinet FortiOS IPS Engine=.
Fortinet FortiOS IPS Engine>=7.2.0<=7.2.5
Fortinet FortiOS IPS Engine>=7.0
Fortinet FortiOS IPS Engine>=6.4
Fortinet FortiOS IPS Engine>=6.2
Fortinet FortiOS IPS Engine>=6.0.0<=6.0.16
FortiGuard FortiPAM=.
FortiGuard FortiPAM>=1.0
Fortinet FortiProxy>=7.2.0<=7.2.5
Fortinet FortiProxy>=7.0.0<=7.0.11
Fortinet FortiProxy>=2.0
Fortinet FortiProxy>=1.2
Fortinet FortiProxy>=1.1
Fortinet FortiProxy>=1.0
Fortinet FortiSwitchManager>=7.2.0<=7.2.2
Fortinet FortiSwitchManager>=7.0.0<=7.0.2

Remedy

Please upgrade to FortiOS version 7.4.1 or above Please upgrade to FortiOS version 7.2.6 or above Please upgrade to FortiSwitchManager version 7.2.3 or above Please upgrade to FortiSwitchManager version 7.0.3 or above Please upgrade to FortiProxy version 7.2.6 or above Please upgrade to FortiProxy version 7.0.12 or above Please upgrade to FortiPAM version 1.1.1 or above Please upgrade to FortiSASE version 22.4 or above

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-36640?

    CVE-2023-36640 is classified as a medium-severity vulnerability due to the potential for remote code execution via format string manipulation.

  • How do I fix CVE-2023-36640?

    To mitigate CVE-2023-36640, upgrade Fortinet FortiProxy versions to at least 7.2.6 or FortiOS to at least 7.2.6.

  • Which Fortinet products are affected by CVE-2023-36640?

    CVE-2023-36640 affects multiple versions of Fortinet FortiProxy, FortiOS, and FortiPAM.

  • What are the impacted versions for FortiProxy related to CVE-2023-36640?

    FortiProxy versions 7.2.0 through 7.2.4 and 7.0.0 through 7.0.10 are impacted by CVE-2023-36640.

  • Is there a patch available for CVE-2023-36640?

    Yes, patches for CVE-2023-36640 are available in the form of version upgrades for affected Fortinet products.

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