CVE-2023-42789: Out-of-bounds Write in captive portal
First published: Tue Mar 12 2024(Updated: )
A out-of-bounds write in Fortinet FortiOS 7.4.0 through 7.4.1, 7.2.0 through 7.2.5, 7.0.0 through 7.0.12, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15, FortiProxy 7.4.0, 7.2.0 through 7.2.6, 7.0.0 through 7.0.12, 2.0.0 through 2.0.13 allows attacker to execute unauthorized code or commands via specially crafted HTTP requests.
Credit: psirt@fortinet.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Fortinet FortiProxy | >=2.0.0<=2.0.13 | |
| Fortinet FortiProxy | >=7.0.0<=7.0.12 | |
| Fortinet FortiProxy | >=7.2.0<=7.2.6 | |
| Fortinet FortiProxy | =7.4.0 | |
| Fortinet FortiOS | >=6.2.0<=6.2.15 | |
| Fortinet FortiOS | >=6.4.0<=6.4.14 | |
| Fortinet FortiOS | >=7.0.0<=7.0.12 | |
| Fortinet FortiOS | >=7.2.0<=7.2.5 | |
| Fortinet FortiOS | =7.4.0 | |
| Fortinet FortiOS | =7.4.1 |
Remedy
Please upgrade to FortiOS version 7.4.2 or above Please upgrade to FortiOS version 7.2.6 or above Please upgrade to FortiOS version 7.0.13 or above Please upgrade to FortiOS version 6.4.15 or above Please upgrade to FortiOS version 6.2.16 or above Please upgrade to FortiProxy version 7.4.1 or above Please upgrade to FortiProxy version 7.2.7 or above Please upgrade to FortiProxy version 7.0.13 or above Please upgrade to FortiProxy version 2.0.14 or above Fortinet in Q3/23 has remediated this issue in FortiSASE version 23.3.b and hence the customers need not perform any action.
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Reference Links
- https://fortiguard.com/psirt/FG-IR-23-328
- https://www.fortiguard.com/psirt/cvrf/FG-IR-23-328
- https://www.fortiguard.com/psirt/FG-IR-23-328
- https://www.theregister.com/2024/03/13/patch_tuesday_march_2024/
- https://www.bleepingcomputer.com/news/security/fortinet-warns-of-critical-rce-bug-in-endpoint-management-software/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- agent/remedy
- agent/type
- collector/fortiguard-psirt-latest
- source/FortiGuard
- alias/CVE-2023-42789
- agent/first-publish-date
- agent/author
- collector/the-register
- source/The Register
- alias/CVE-2024-21407
- alias/CVE-2024-21408
- alias/CVE-2024-21334
- alias/CVE-2024-21400
- alias/CVE-2023-32666
- alias/CVE-2023-32282
- alias/CVE-2024-2193
- alias/CVE-2023-20214
- alias/CVE-2024-20337
- alias/CVE-2024-0039
- alias/CVE-2024-23717
- alias/CVE-2023-42790
- alias/CVE-2023-48788
- alias/CVE-2023-47534
- alias/CVE-2023-36554
- alias/CVE-2024-23112
- alias/CVE-2023-46717
- collector/bleeping-computer
- source/BleepingComputer
- alias/CVE-2024-21762
- alias/CVE-2022-42475
- alias/CVE-2023-27997
- agent/references
- agent/severity
- agent/softwarecombine
- agent/event
- agent/news-ai
- agent/weakness
- agent/title
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/tags
- collector/fortiguard-psirt
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/trending
- vendor/fortinet
- canonical/fortinet fortiproxy
- version/fortinet fortiproxy/2.0.0
- version/fortinet fortiproxy/2.0.13
- version/fortinet fortiproxy/7.0.0
- version/fortinet fortiproxy/7.0.12
- version/fortinet fortiproxy/7.2.0
- version/fortinet fortiproxy/7.2.6
- version/fortinet fortiproxy/7.4.0
- canonical/fortinet fortios
- version/fortinet fortios/6.2.0
- version/fortinet fortios/6.2.15
- version/fortinet fortios/6.4.0
- version/fortinet fortios/6.4.14
- version/fortinet fortios/7.0.0
- version/fortinet fortios/7.0.12
- version/fortinet fortios/7.2.0
- version/fortinet fortios/7.2.5
- version/fortinet fortios/7.4.0
- version/fortinet fortios/7.4.1