PT-2021-11625 · Fortinet · Fortiweb

Andrey Medov · Published 2021-01-14 · Updated 2021-01-20 · CVE-2020-29018

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: FortiWeb versions 6.3.0 through 6.3.5

Description: A format string vulnerability may allow an authenticated, remote attacker to read the content of memory and retrieve sensitive data via the redir parameter.

Recommendations: For FortiWeb versions 6.3.0 through 6.3.5, consider restricting access to the redir parameter until a patch is available. As a temporary workaround, avoid using the redir parameter in affected API endpoints until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use of Externally-Controlled Format String

Weakness Enumeration

CWE-134

Related Identifiers

CVE-2020-29018

Affected Products

Fortiweb

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2020-29018 · Security Note
• https://osv.dev/vulnerability/CVE-2020-29018 · Vendor Advisory
• https://fortiguard.com/psirt/FG-IR-20-123 · Vendor Advisory
• https://t.me/cvenotify/8543 · Telegram Post
• https://t.me/cibsecurity/22161 · Telegram Post