QID 44143

QID 44143: FortiOS Denial of Service (DoS) Vulnerability (FG-IR-14-006)

A temporary denial of service condition can be created using a specially crafted request sent to the FortiManager protocol service in FortiOS version 5.0.0 to 5.0.7 and FortiOS version 4.3.15 and lower. Code execution has not been demonstrated, but may be possible under certain conditions.

Affected Versions:
FortiOS 5.0.0 to 5.0.7
FortiOS 4.3.15 and lower

QID Detection Logic (Authenticated):
Detection checks for vulnerable version of FortiOS.

QID Detection Logic (Unauthenticated):
Detection checks for vulnerable version of FortiOS via SNMP Banner.

Successful exploit may allow an remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted request.

CVSS V3 rated as High - 7.3 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

Vendor has released fixes to address this vulnerability
For more details refer advisory FG-IR-14-006

Workaround:
These vulnerabilities can also be mitigated by disabling FGFM-Access on the interface, or blocking traffic for TCP port 541 with a local-in policy.

Vendor References

FG-IR-14-006 - www.fortiguard.com/psirt/FG-IR-14-006

CVEs related to QID 44143

CVE-2014-0351 | CVE-2014-2216 |

Software Advisories

Advisory ID	Software	Component	Link
FG-IR-14-006			www.fortiguard.com/psirt/FG-IR-14-006

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