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Vulnerability Details : CVE-2014-0224

OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h does not properly restrict processing of ChangeCipherSpec messages, which allows man-in-the-middle attackers to trigger use of a zero-length master key in certain OpenSSL-to-OpenSSL communications, and consequently hijack sessions or obtain sensitive information, via a crafted TLS handshake, aka the "CCS Injection" vulnerability.
Published 2014-06-05 21:55:08
Updated 2022-08-16 13:30:47
Source Red Hat, Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2014-0224

Probability of exploitation activity in the next 30 days: 97.45%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 100 % EPSS Score History EPSS FAQ

Metasploit modules for CVE-2014-0224

  • OpenSSL Server-Side ChangeCipherSpec Injection Scanner
    Disclosure Date : 2014-06-05
    auxiliary/scanner/ssl/openssl_ccs
    This module checks for the OpenSSL ChangeCipherSpec (CCS) Injection vulnerability. The problem exists in the handling of early CCS messages during session negotiation. Vulnerable installations of OpenSSL accepts them, while later implementations do not. If successful, an attacker can leverage this vulnerability to perform a man-in-the-middle (MITM) attack by downgrading the cipher spec between a client and server. This issue was first reported in early June, 2014. Authors: - Masashi Kikuchi - Craig Young <[email protected]> - juan vazquez <[email protected]>

CVSS scores for CVE-2014-0224

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
5.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:N
8.6
4.9
 [email protected]
7.4
 HIGH CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
2.2
5.2
 [email protected]

CWE ids for CVE-2014-0224

References for CVE-2014-0224

Products affected by CVE-2014-0224

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