PT-2017-12539 · Cisco · Cisco Asa 5500 Series

Published 2017-12-15 · Updated 2019-10-09 · CVE-2017-12373

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions Cisco ASA 5500 Series devices (affected versions not specified)

Description A vulnerability in the TLS protocol implementation could allow an unauthenticated, remote attacker to access sensitive information through a Return of Bleichenbacher's Oracle Threat (ROBOT) attack. This attack involves iteratively querying a server running a vulnerable TLS stack implementation to perform cryptanalytic operations that may allow decryption of previously captured TLS sessions.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Information Disclosure

Side Channel Attack

Weakness Enumeration

CWE-200

CWE-203

Related Identifiers

CVE-2017-12373

Affected Products

Cisco Asa 5500 Series

References · 4

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/ssl/bleichenbacher_oracle.py · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2017-12373 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171212-bleichenbacher · Vendor Advisory
• http://securityfocus.com/bid/102170 · Note