Heap Buffer Overflow in Fortinet FortiOS and FortiProxy Products
CVE-2018-13383

6.5MEDIUM

Key Information:

Vendor
Fortinet
Status
Fortinet FortiOS And Fortiproxy
Vendor
CVE Published:
29 May 2019

Badges

💰 Ransomware👾 Exploit Exists🦅 CISA Reported

Summary

A heap buffer overflow vulnerability exists in Fortinet FortiOS and FortiProxy products affecting the SSL VPN web portal. This flaw arises from improper handling of JavaScript href data while proxying web pages, potentially leading to service termination for logged-in users.

CISA Reported

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed as being exploited and is known by the CISA as enabling ransomware campaigns.

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Fortinet FortiOS and FortiProxy FortiOS 6.0.0 through 6.0.4, 5.6.0 through 5.6.10, 5.4.0 through 5.4.12, 5.2.14 and earlier, FortiProxy 2.0.0, 1.2.8 and earlier

References

https://fortiguard.com/advisory/FG-IR-18-388
x_refsource_CONFIRM
https://fortiguard.com/advisory/FG-IR-20-229
x_refsource_CONFIRM

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • 💰

    Used in Ransomware

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.