CVE-2023-33302: [FG-IR-21-023] Multiple buffer overflows in FortiMail
A buffer copy without checking size of input ('classic buffer overflow') in Fortinet FortiMail webmail and administrative interface version 6.4.0 through 6.4.4 and before 6.2.6 and FortiNDR administrative interface version 7.2.0 and before 7.1.0 allows an authenticated attacker with regular webmail access to trigger a buffer overflow and to possibly execute unauthorized code or commands via specifically crafted HTTP requests.
Other sources
Multiple instances of incorrect calculation of buffer size in FortiMail webmail and administrative interface and FortiNDR administrative interface may allow an authenticated attacker with regular webmail access to trigger a buffer overflow and to possibly execute unauthorized code or commands via specifically crafted HTTP requests.
— FortiGuard
Affected Software
Remediation
Information
Event History
Frequently Asked Questions
What is the severity of CVE-2023-33302?
CVE-2023-33302 has a high severity due to the potential for authenticated attackers to exploit a buffer overflow vulnerability.
How do I fix CVE-2023-33302?
To mitigate CVE-2023-33302, update FortiMail to version 6.4.5 or higher and FortiNDR to version 7.1.1 or higher as recommended by Fortinet.
What are the potential impacts of CVE-2023-33302?
CVE-2023-33302 may allow authenticated attackers to execute arbitrary code or cause a denial of service on affected systems.
Which versions of Fortinet products are affected by CVE-2023-33302?
CVE-2023-33302 affects FortiMail versions 6.4.0 to 6.4.4 and versions prior to 6.2.6, as well as FortiNDR versions 7.2.0 and below 7.1.0.
Is CVE-2023-33302 being actively exploited?
As of the latest reports, there are indications that CVE-2023-33302 may be under active exploitation, emphasizing the need for immediate updates.