Code execution via unchecked CLI buffer copy
Published Jul 18, 2023 · Updated Sep 17, 2024
Classic buffer overflow in Fortinet FortiManager and FortiAnalyzer allows local users to execute unauthorized code through crafted CLI operations. The execute restore image and execute certificate remote paths copy attacker-controlled TFTP input into a destination buffer without checking its size. Exploitation requires high-privilege local CLI access and can compromise appliance confidentiality, integrity, and availability.
Summary
What happened
Classic buffer overflow in Fortinet FortiManager and FortiAnalyzer allows local users to execute unauthorized code through crafted CLI operations. The execute restore image and execute certificate remote paths copy attacker-controlled TFTP input into a destination buffer without checking its size. Exploitation requires high-privilege local CLI access and can compromise appliance confidentiality, integrity, and availability.
The record
- CVE
- CVE-2021-43072
- Published
- Jul 18, 2023
- Updated
- Sep 17, 2024
- Vendor
- Fortinet
- Product
- FortiManager
- Classifications
- CWE-120
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Jul 18, 2023CVE publishedPublication date reported by the CVE source.
- Sep 17, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=5.6.0 <=5.6.11
- Affected versionversion=6.0.0 <=6.0.12
- Affected versionversion=6.2.0 <=6.2.12
- Affected versionversion=6.4.0 <=6.4.7
- Affected versionversion=7.0.0 <=7.0.2
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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