CVE-2023-23781: Buffer Overflow

Q: What is CVE-2023-23781?

CVE-2023-23781 is a stack-based buffer overflow vulnerability in FortiWeb versions 7.0.1 and below, 6.4 all versions, and version 6.3.19 and below SAML server configuration.

Q: What is the severity of CVE-2023-23781?

The severity of CVE-2023-23781 is high, with a severity value of 8.8.

Q: How does CVE-2023-23781 impact FortiWeb?

CVE-2023-23781 allows an authenticated attacker to achieve arbitrary code execution via specifically crafted XML files.

Q: Which versions of FortiWeb are affected by CVE-2023-23781?

FortiWeb versions 7.0.1 and below, 6.4 all versions, and version 6.3.19 and below SAML server configuration are affected by CVE-2023-23781.

Q: How can I mitigate CVE-2023-23781?

To mitigate CVE-2023-23781, it is recommended to update FortiWeb to a version that is not affected by the vulnerability.

Published Feb 16, 2023

Updated

A stack-based buffer overflow vulnerability [CWE-121] in FortiWeb version 7.0.1 and below, 6.4 all versions, version 6.3.19 and below SAML server configuration may allow an authenticated attacker to achieve arbitrary code execution via specifically crafted XML files.

Affected Software

3 affected components

Fortinet FortiWeb>=6.3.0<6.3.20

Fortinet FortiWeb>=6.4.0<=6.4.2

Fortinet FortiWeb>=7.0.0<7.0.2

Remediation

Information

Please upgrade to FortiWeb version 7.0.2 or above Please upgrade to FortiWeb version 6.3.20 or above

Event History

Feb 16, 2023

CVE Published

via MITRE·06:06 PM

Data Sourced

via MITRE·06:06 PM

RemedyDescriptionSeverityWeakness

Frequently Asked Questions

What is CVE-2023-23781?

CVE-2023-23781 is a stack-based buffer overflow vulnerability in FortiWeb versions 7.0.1 and below, 6.4 all versions, and version 6.3.19 and below SAML server configuration.

What is the severity of CVE-2023-23781?