SB2021010512 - Format string vulnerability in Fortinet FortiWeb
Published: January 5, 2021
Security Bulletin ID
SB2021010512
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Format string error (CVE-ID: CVE-2020-29018)
CWE-ID: CWE-134 - Use of Externally-Controlled Format String
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote user to gain access to sensitive information.
The vulnerability exists due to a format string error when processing data passed via the "redir" parameter. A remote authenticated user can send a specially crafted request containing format string specifiers and read contents of memory on the system.
Remediation
Install update from vendor's website.