HIGH · 7.5

CVE-2019-12678

A vulnerability in the Session Initiation Protocol (SIP) inspection module of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthen...

Vulnerability Description

A vulnerability in the Session Initiation Protocol (SIP) inspection module of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to improper parsing of SIP messages. An attacker could exploit this vulnerability by sending a malicious SIP packet through an affected device. A successful exploit could allow the attacker to trigger an integer underflow, causing the software to try to read unmapped memory and resulting in a crash.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
CiscoAdaptive Security Appliance< 9.4.4.37
CiscoAdaptive Security Appliance Software>= 9.5, < 9.6.4.34
CiscoAsa 5505-
CiscoAsa 5510-
CiscoAsa 5512-X-
CiscoAsa 5515-X-
CiscoAsa 5520-
CiscoAsa 5525-X-
CiscoAsa 5550-
CiscoAsa 5555-X-
CiscoAsa 5580-
CiscoAsa 5585-X-
CiscoFirepower Threat Defense< 6.2.3.15

Related Weaknesses (CWE)

References

FAQ

What is CVE-2019-12678?

CVE-2019-12678 is a vulnerability with a CVSS score of 7.5 (HIGH). A vulnerability in the Session Initiation Protocol (SIP) inspection module of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthen...

How severe is CVE-2019-12678?

CVE-2019-12678 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-12678?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Adaptive Security Appliance, Cisco Adaptive Security Appliance Software, Cisco Asa 5505, Cisco Asa 5510, Cisco Asa 5512-X.