CVE-2018-13383
Last modified
CVE-2018-13383 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A heap buffer overflow in Fortinet 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 and FortiProxy 2.0.0, 1.2.8 and earlier in the SSL VPN web portal may cause the SSL VPN web service termination for logged in users due to a failure to properly handle javascript href data when proxying webpages.. CISA has confirmed active exploitation in the wild. EPSS estimates a 33.65% chance of exploitation in the next 30 days.
Description
A heap buffer overflow in Fortinet 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 and FortiProxy 2.0.0, 1.2.8 and earlier in the SSL VPN web portal may cause the SSL VPN web service termination for logged in users due to a failure to properly handle javascript href data when proxying webpages.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | Fortiproxy | < 1.2.9 |
| Fortinet | Fortiproxy | 2.0.0 |
| Fortinet | Fortios | >= 5.2.0, < 5.2.15 |
| Fortinet | Fortios | >= 5.4.0, < 5.4.13 |
| Fortinet | Fortios | >= 5.6.0, < 5.6.11 |
| Fortinet | Fortios | >= 6.0.0, < 6.0.5 |
References
- https://fortiguard.com/advisory/FG-IR-18-388Mitigation, Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-20-229Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-18-388Mitigation, Vendor Advisory
- https://fortiguard.com/advisory/FG-IR-20-229Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-13383US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
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