Vulnerability Details : CVE-2017-6168

Public exploit exists!
On BIG-IP versions 11.6.0-11.6.2 (fixed in 11.6.2 HF1), 12.0.0-12.1.2 HF1 (fixed in 12.1.2 HF2), or 13.0.0-13.0.0 HF2 (fixed in 13.0.0 HF3) a virtual server configured with a Client SSL profile may be vulnerable to an Adaptive Chosen Ciphertext attack (AKA Bleichenbacher attack) against RSA, which when exploited, may result in plaintext recovery of encrypted messages and/or a Man-in-the-middle (MiTM) attack, despite the attacker not having gained access to the server's private key itself, aka a ROBOT attack.
Published 2017-11-17 19:29:00
Updated 2021-09-23 15:58:20
Source F5 Networks
View at NVD,   CVE.org

Products affected by CVE-2017-6168

Exploit prediction scoring system (EPSS) score for CVE-2017-6168

EPSS FAQ
66.43%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 98 %
Percentile, the proportion of vulnerabilities that are scored at or less

Metasploit modules for CVE-2017-6168

  • Scanner for Bleichenbacher Oracle in RSA PKCS #1 v1.5
    Disclosure Date: 2009-06-17
    First seen: 2020-04-26
    auxiliary/scanner/ssl/bleichenbacher_oracle
    Some TLS implementations handle errors processing RSA key exchanges and encryption (PKCS #1 v1.5 messages) in a broken way that leads an adaptive chosen-chiphertext attack. Attackers cannot recover a server's private key, but they can decrypt and sign messages with i

CVSS scores for CVE-2017-6168

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
 MEDIUM AV:N/AC:M/Au:N/C:P/I:N/A:N
8.6
2.9
 NIST
7.4
 HIGH CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
2.2
5.2
 NIST

CWE ids for CVE-2017-6168

  • The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-6168

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