CVE-2023-20031

Summary

A vulnerability in the SSL/TLS certificate handling of Snort 3 Detection Engine integration with Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the Snort 3 detection engine to restart. This vulnerability is due to a logic error that occurs when an SSL/TLS certificate that is under load is accessed when it is initiating an SSL connection. Under specific, time-based constraints, an attacker could exploit this vulnerability by sending a high rate of SSL/TLS connection requests to be inspected by the Snort 3 detection engine on an affected device. A successful exploit could allow the attacker to cause the Snort 3 detection engine to reload, resulting in either a bypass or a denial of service (DoS) condition, depending on device configuration. The Snort detection engine will restart automatically. No manual intervention is required.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Firepower Threat Defense Software6.7.0affected
CiscoCisco Firepower Threat Defense Software6.7.0.1affected
CiscoCisco Firepower Threat Defense Software6.7.0.2affected
CiscoCisco Firepower Threat Defense Software6.7.0.3affected
CiscoCisco Firepower Threat Defense Software7.0.0affected
CiscoCisco Firepower Threat Defense Software7.0.0.1affected
CiscoCisco Firepower Threat Defense Software7.0.1affected
CiscoCisco Firepower Threat Defense Software7.0.1.1affected
CiscoCisco Firepower Threat Defense Software7.0.2affected
CiscoCisco Firepower Threat Defense Software7.0.2.1affected
CiscoCisco Firepower Threat Defense Software7.0.3affected
CiscoCisco Firepower Threat Defense Software7.0.4affected
CiscoCisco Firepower Threat Defense Software7.0.5affected
CiscoCisco Firepower Threat Defense Software7.2.0affected
CiscoCisco Firepower Threat Defense Software7.2.0.1affected

Weaknesses

  • CWE-244: Improper Clearing of Heap Memory Before Release ('Heap Inspection')

ADP Enrichment

CVE Program Container

Additional References

References