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.

CVSS v3.1

7.4 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v2.0

5.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:N

EPSS

95.33% chance of exploitation in the next 30 days, 100th percentile

Published

2014-06-05

Updated

2024-08-06

Proof-of-concept exploits (5)

• droptables/ccs-eval0★ · 2014-07-10
• iph0n3/CVE-2014-02240★ · 2014-06-06
• r3p3r/1N3-MassBleed0★ · 2018-01-01
• secretnonempty/CVE-2014-02249★ · 2014-07-18
• ssllabs/openssl-ccs-cve-2014-022415★ · 2015-11-23

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/ssl/openssl_ccs.rb

References

• CVE Record
• NVD entry

Related

• CVE-2011-3192
• CVE-2014-0160
• CVE-2014-3566
• CVE-2014-4113
• CVE-2015-0057
• CVE-2015-0235