CVE-2024-26015: FortiOS - IP address validation mishandles zero characters
First published: Tue Jul 09 2024(Updated: )
An incorrect parsing of numbers with different radices vulnerability [CWE-1389] in FortiOS and FortiProxy IP address validation feature may permit an unauthenticated attacker to bypass the IP blocklist via crafted requests.
Credit: psirt@fortinet.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Fortinet FortiProxy | >=7.0.0<=7.4.3 | |
| Fortinet FortiOS IPS Engine | >=7.0.0<=7.0.15 | |
| Fortinet FortiOS IPS Engine | >=7.2.0<=7.2.8 | |
| Fortinet FortiOS IPS Engine | >=7.4.0<=7.4.3 | |
| Fortinet FortiOS IPS Engine | >=7.4.0<=7.4.3 | |
| Fortinet FortiOS IPS Engine | >=7.2.0<=7.2.8 | |
| Fortinet FortiOS IPS Engine | >=7.0 | |
| Fortinet FortiProxy | >=7.4.0<=7.4.3 | |
| Fortinet FortiProxy | >=7.2 | |
| Fortinet FortiProxy | >=7.0 |
Remedy
Please upgrade to FortiProxy version 7.4.4 or above Please upgrade to FortiOS version 7.6.0 or above Please upgrade to FortiOS version 7.4.4 or above
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-26015?
CVE-2024-26015 has a medium severity due to its potential to allow unauthorized access through IP blocklist bypass.
How do I fix CVE-2024-26015?
To remediate CVE-2024-26015, upgrade FortiOS and FortiProxy to version 7.4.4 or 7.2.9 or later.
Which Fortinet products are affected by CVE-2024-26015?
CVE-2024-26015 affects FortiOS versions from 7.0 to 7.4.3 and FortiProxy from 7.0 to 7.4.3.
Can CVE-2024-26015 be exploited remotely?
Yes, CVE-2024-26015 can be exploited remotely by an unauthenticated attacker.
What type of vulnerability is CVE-2024-26015?
CVE-2024-26015 is classified as an incorrect parsing of numbers with different radices vulnerability.
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- alias/CVE-2024-38077
- alias/CVE-2024-38060
- alias/CVE-2024-38023
- alias/CVE-2024-34123
- alias/CVE-2024-20781
- alias/CVE-2024-20782
- alias/CVE-2024-20783
- alias/CVE-2024-20785
- alias/CVE-2024-34139
- alias/CVE-2024-34140
- alias/CVE-2024-26006
- alias/CVE-2024-26015
- alias/CVE-2024-6151
- alias/CVE-2024-6286
- alias/CVE-2024-31320
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