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F5 Networks: K95463126 (CVE-2016-0703): OpenSSL vulnerabilities CVE-2016-0703 and CVE-2016-0704

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F5 Networks: K95463126 (CVE-2016-0703): OpenSSL vulnerabilities CVE-2016-0703 and CVE-2016-0704

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
03/02/2016
Created
07/25/2018
Added
02/16/2017
Modified
02/01/2018

Description

The get_client_master_key function in s2_srvr.c in the SSLv2 implementation in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a accepts a nonzero CLIENT-MASTER-KEY CLEAR-KEY-LENGTH value for an arbitrary cipher, which allows man-in-the-middle attackers to determine the MASTER-KEY value and decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, a related issue to CVE-2016-0800.

Solution(s)

  • f5-big-ip-upgrade-latest

References

  • https://support.f5.com/csp/article/K95463126
  • SUSE-SU-2016:0617
  • SUSE-SU-2016:0620
  • SUSE-SU-2016:0621
  • SUSE-SU-2016:0624
  • SUSE-SU-2016:0631
  • SUSE-SU-2016:0641
  • SUSE-SU-2016:0678
  • SUSE-SU-2016:1057
  • 83743
  • 1035133
  • FreeBSD-SA-16:12
  • GLSA-201603-15
  • CVE-2016-0703
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