Denial-of-Service via Infinite Loop in FortiOS/Proxy/Web ( 7.2.4)
CVE-2023-33305 Published on June 13, 2023
A loop with unreachable exit condition ('infinite loop') in Fortinet FortiOS version 7.2.0 through 7.2.4, FortiOS version 7.0.0 through 7.0.10, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiProxy version 7.2.0 through 7.2.3, FortiProxy version 7.0.0 through 7.0.9, FortiProxy 2.0 all versions, FortiProxy 1.2 all versions, FortiProxy 1.1 all versions, FortiProxy 1.0 all versions, FortiWeb version 7.2.0 through 7.2.1, FortiWeb version 7.0.0 through 7.0.6, FortiWeb 6.4 all versions, FortiWeb 6.3 all versions allows attacker to perform a denial of service via specially crafted HTTP requests.
Vulnerability Analysis
CVE-2023-33305 can be exploited with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is an Infinite Loop Vulnerability?
The program contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. If the loop can be influenced by an attacker, this weakness could allow attackers to consume excessive resources such as CPU or memory.
CVE-2023-33305 has been classified to as an Infinite Loop vulnerability or weakness.
Products Associated with CVE-2023-33305
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Affected Versions
Fortinet FortiWeb:- Version 7.2.0, <= 7.2.1 is affected.
- Version 7.0.0, <= 7.0.6 is affected.
- Version 6.4.0, <= 6.4.3 is affected.
- Version 6.3.0, <= 6.3.23 is affected.
- Version 7.2.0, <= 7.2.4 is affected.
- Version 7.0.0, <= 7.0.10 is affected.
- Version 6.4.0, <= 6.4.13 is affected.
- Version 6.2.0, <= 6.2.15 is affected.
- Version 6.0.0, <= 6.0.17 is affected.
- Version 5.6.0, <= 5.6.14 is affected.
- Version 5.4.0, <= 5.4.13 is affected.
- Version 5.2.0, <= 5.2.15 is affected.
- Version 5.0.0, <= 5.0.14 is affected.
- Version 7.2.0, <= 7.2.3 is affected.
- Version 7.0.0, <= 7.0.9 is affected.
- Version 2.0.0, <= 2.0.12 is affected.
- Version 1.2.0, <= 1.2.13 is affected.
- Version 1.1.0, <= 1.1.6 is affected.
- Version 1.0.0, <= 1.0.7 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.