Vulnerability CVE-2017-12373


Published: 2017-12-15

Description:
A vulnerability in the TLS protocol implementation of legacy Cisco ASA 5500 Series (ASA 5505, 5510, 5520, 5540, and 5550) devices could allow an unauthenticated, remote attacker to access sensitive information, aka a Return of Bleichenbacher's Oracle Threat (ROBOT) attack. An attacker could iteratively query a server running a vulnerable TLS stack implementation to perform cryptanalytic operations that may allow decryption of previously captured TLS sessions. Cisco Bug IDs: CSCvg97652.

Type:

CWE-203

(Information Exposure Through Discrepancy)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Cisco -> Adaptive security appliance 5505 firmware 
Cisco -> Adaptive security appliance 5510 firmware 
Cisco -> Adaptive security appliance 5520 firmware 
Cisco -> Adaptive security appliance 5540 firmware 
Cisco -> Adaptive security appliance 5550 firmware 

 References:
http://www.securityfocus.com/bid/102170
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171212-bleichenbacher

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