Vulnerability CVE-2016-6431


Published: 2016-10-27   Modified: 2016-10-28

Description:
A vulnerability in the local Certificate Authority (CA) feature of Cisco ASA Software before 9.6(1.5) could allow an unauthenticated, remote attacker to cause a reload of the affected system. The vulnerability is due to improper handling of crafted packets during the enrollment operation. An attacker could exploit this vulnerability by sending a crafted enrollment request to the affected system. An exploit could allow the attacker to cause the reload of the affected system. Note: Only HTTPS packets directed to the Cisco ASA interface, where the local CA is allowing user enrollment, can be used to trigger this vulnerability. This vulnerability affects systems configured in routed firewall mode and in single or multiple context mode.

Type:

CWE-20

(Improper Input Validation)

Vendor: Cisco
Product: Adaptive security appliance software 
Version:
9.6.1.3
9.6.1
9.6.0
9.5.2.6
9.5.2.14
9.5.2.10
9.5.2
9.5.1
9.4.3.4
9.4.3.3
9.4.3
9.4.2.3
9.4.2
9.4.1.5
9.4.1.3
9.4.1.2
9.4.1.1
9.4.1
9.4.0.115
9.3.3.9
9.3.3.6
9.3.3.5
9.3.3.2
9.3.3.10
9.3.3.1
9.3.3
9.3.2.2
9.3.2
9.3.1.1
9.3.1
9.3(2.243)
9.3(2.100)
9.3(1.50)
9.3(1.105)
9.2.4.8
9.2.4.4
9.2.4.2
9.2.4.10
9.2.4
9.2.3.4
9.2.3.3
9.2.3
9.2.2.8
9.2.2.7
9.2.2.4
9.2.2
9.2.1
9.2(3.1)
9.2(0.104)
9.2(0.0)
See more versions on NVD
Product: Adaptive security appliance 
Version:
9.6.1.3
9.6.1
9.6.0
9.5.2.6
9.5.2.14
9.5.2.10
9.5.2
9.5.1
9.4.3.4
9.4.3.3
9.4.3
9.4.2.3
9.4.2
9.4.1.5
9.4.1.3
9.4.1.2
9.4.1.1
9.4.1
9.4.0.115
9.3.3.9
9.3.3.6
9.3.3.5
9.3.3.2
9.3.3.10
9.3.3.1
9.3.3
9.3.2.2
9.3.2
9.3.1.1
9.3.1
9.3(2.243)
9.3(2.100)
9.3(1.50)
9.3(1.105)
9.2.4.8
9.2.4.4
9.2.4.2
9.2.4.10
9.2.4
9.2.3.4
9.2.3.3
9.2.3
9.2.2.8
9.2.2.7
9.2.2.4
9.2.2
9.2.1
9.2(3.1)
9.2(0.104)
9.2(0.0)
See more versions on NVD

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.1/10
6.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete

 References:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161019-asa-ca
http://www.securityfocus.com/bid/93786
http://www.securitytracker.com/id/1037060

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