PT-2023-3237 · Fortinet · Fortiproxy+2

Published 2023-06-12 · Updated 2023-06-22 · CVE-2023-33305

Positive Technologies (AI Summary)

CVSS v2.0

6.8

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions FortiOS versions 6.0 through 7.2.4 FortiProxy versions 1.0 through 7.2.3 FortiWeb versions 6.3 through 7.2.1

Description The issue is related to a loop with an unreachable exit condition, also known as an 'infinite loop', which can be exploited by an attacker to perform a denial of service via specially crafted HTTP requests. This can be done remotely.

Recommendations For FortiOS versions 6.0 through 7.2.4, update to a version that contains a fix for this issue. For FortiProxy versions 1.0 through 7.2.3, update to a version that contains a fix for this issue. For FortiWeb versions 6.3 through 7.2.1, update to a version that contains a fix for this issue. As a temporary workaround, consider restricting access to the vulnerable systems to minimize the risk of exploitation.

Fix

DoS

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

BDU:2023-03358

CVE-2023-33305

Affected Products

Fortios

Fortiproxy

Fortiweb

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2023-33305 · Security Note
• https://fortiguard.com/psirt/FG-IR-22-375 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-03358 · Security Note
• https://osv.dev/vulnerability/CVE-2023-33305 · Vendor Advisory
• https://vuldb.com/ru/?id.231315 · Note
• https://t.me/cvenotify/52161 · Telegram Post