CVE-2023-36639: Format String Bug in HTTPSd

Published Dec 12, 2023
·
Updated

A format string vulnerability [CWE-134] in the HTTPSd daemon of FortiOS, FortiProxy and FortiPAM may allow an authenticated user to execute unauthorized code or commands via specially crafted API requests.

Other sources

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, FortiOS versions 7.4.0, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.12, 6.2.0 through 6.2.15, 6.0.0 through 6.0.17, FortiPAM versions 1.0.0 through 1.0.3 allows attacker to execute unauthorized code or commands via specially crafted API requests.

Affected Software

20 affected componentsFixes available
Fortinet FortiProxy>=7.0.0<=7.0.10
Fortinet FortiProxy>=7.2.0<=7.2.4
Fortinet FortiOS>=6.0.0<=6.0.17
Fortinet FortiOS>=6.2.0<=6.2.15
Fortinet FortiOS>=6.4.0<=6.4.12
Fortinet FortiOS>=7.0.0<=7.0.11
Fortinet FortiOS>=7.2.0<=7.2.4
Fortinet FortiOS=7.4.0
Fortinet FortiPAM>=1.0.0<=1.0.3
Fortinet FortiPAM=1.1.0
Fortinet FortiOS=.
Fortinet FortiOS>=7.2.0<=7.2.4
Fortinet FortiOS>=7.0.0<=7.0.11
Fortinet FortiOS>=6.4.0<=6.4.12
Fortinet FortiOS>=6.2.0<=6.2.15
Fortinet FortiOS>=6.0
Fortinet FortiPAM=.
Fortinet FortiPAM>=1.0
Fortinet FortiProxy>=7.2.0<=7.2.4
Fortinet FortiProxy>=7.0.0<=7.0.10

Remediation

Information

Please upgrade to FortiOS version 7.4.1 or above Please upgrade to FortiOS version 7.2.5 or above Please upgrade to FortiOS version 7.0.12 or above Please upgrade to FortiOS version 6.4.13 or above Please upgrade to FortiOS version 6.2.16 or above Please upgrade to FortiPAM version 1.2.0 or above Please upgrade to FortiPAM version 1.1.1 or above Please upgrade to FortiProxy version 7.4.0 or above Please upgrade to FortiProxy version 7.2.5 or above Please upgrade to FortiProxy version 7.0.11 or above Please upgrade to FortiSASE version 23.3 or above

Event History

Dec 12, 2023
Advisory Published
via FortiGuard·12:00 AM
Dec 13, 2023
CVE Published
06:42 AM
Data Sourced
06:42 AM
RemedyDescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2023-36639?

CVE-2023-36639 has a high severity rating due to its potential to allow unauthorized command execution.

2

How do I fix CVE-2023-36639?

To mitigate CVE-2023-36639, upgrade to FortiOS version 7.4.1, FortiProxy version 7.2.5, or FortiPAM version 1.1.1.

3

Which software versions are affected by CVE-2023-36639?

CVE-2023-36639 affects FortiOS versions 6.0.0 to 7.0.11, FortiProxy versions 7.0.0 to 7.2.4, and FortiPAM versions 1.0.0 to 1.1.0.

4

Can unauthenticated users exploit CVE-2023-36639?

No, CVE-2023-36639 is only exploitable by authenticated users who can craft specific API requests.

5

What are the implications of exploiting CVE-2023-36639?

Exploitation of CVE-2023-36639 could lead to unauthorized code execution or command execution on affected systems.

Contact

SecAlerts Pty Ltd.
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Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
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