- Vulnerabilities 87,986
Cisco ASA AES-GCM Vulnerability
Published: 2015-06-23 02:56:22
CVE Author: NIST National Vulnerability Database
CVSS Base Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N
Detection Type:
Linux Distribution Package
Solution Type:
Vendor Patch
Summary:
Cisco ASA is prone to an encrypted IPSec or IKEv2 modification
vulnerability.
Detection Method:
Checks if a vulnerable version is present on the target host.
Technical Details:
The vulnerability is due to an error on the firmware of the
Cavium Networks cryptographic module. Due to this vulnerability, the integrity check value (ICV) is not
verified. An attacker could exploit this vulnerability by intercepting encrypted packets in transit and
modifying their contents. Such packets would be decrypted by the ASA and then forwarded to their destination,
without the modification being detected.
Impact:
An unauthenticated, remote attacker could modify the contents of an
encrypted IPSec or IKEv2 packet. A successful exploit could be leveraged to conduct further attacks.
Affected Versions:
Version 9.3 and 9.4
Recommendations:
Apply the appropriate updates from Cisco.
https://nvd.nist.gov/vuln/detail/CVE-2015-4550
http://tools.cisco.com/security/center/viewAlert.x?alertId=39366
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