medium
4.3
CWE
310
Advisory Published
Updated

CVE-2014-3568

First published: Sun Oct 19 2014(Updated: )

OpenSSL before 0.9.8zc, 1.0.0 before 1.0.0o, and 1.0.1 before 1.0.1j does not properly enforce the no-ssl3 build option, which allows remote attackers to bypass intended access restrictions via an SSL 3.0 handshake, related to s23_clnt.c and s23_srvr.c.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
OpenSSL<=0.9.8zb
OpenSSL=1.0.0
OpenSSL=1.0.0-beta1
OpenSSL=1.0.0-beta2
OpenSSL=1.0.0-beta3
OpenSSL=1.0.0-beta4
OpenSSL=1.0.0-beta5
OpenSSL=1.0.0a
OpenSSL=1.0.0b
OpenSSL=1.0.0c
OpenSSL=1.0.0d
OpenSSL=1.0.0e
OpenSSL=1.0.0f
OpenSSL=1.0.0g
OpenSSL=1.0.0h
OpenSSL=1.0.0i
OpenSSL=1.0.0j
OpenSSL=1.0.0k
OpenSSL=1.0.0l
OpenSSL=1.0.0m
OpenSSL=1.0.0n
OpenSSL=1.0.1
OpenSSL=1.0.1-beta1
OpenSSL=1.0.1-beta2
OpenSSL=1.0.1-beta3
OpenSSL=1.0.1a
OpenSSL=1.0.1b
OpenSSL=1.0.1c
OpenSSL=1.0.1d
OpenSSL=1.0.1e
OpenSSL=1.0.1f
OpenSSL=1.0.1g
OpenSSL=1.0.1h
OpenSSL=1.0.1i

Remedy

https://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=26a59d9b46574e457870197dffa802871b4c8fc7

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2014-3568?

    CVE-2014-3568 is classified as a high severity vulnerability due to its potential for remote exploitation.

  • How do I fix CVE-2014-3568?

    To fix CVE-2014-3568, upgrade OpenSSL to versions 0.9.8zc, 1.0.0o, or 1.0.1j or later.

  • What types of attacks can CVE-2014-3568 facilitate?

    CVE-2014-3568 allows remote attackers to bypass SSL 3.0 access restrictions, leading to possible man-in-the-middle attacks.

  • Which versions of OpenSSL are affected by CVE-2014-3568?

    CVE-2014-3568 affects OpenSSL versions prior to 0.9.8zc, 1.0.0 before 1.0.0o, and 1.0.1 before 1.0.1j.

  • Is CVE-2014-3568 still a concern for modern systems?

    Yes, CVE-2014-3568 is still a concern for systems running vulnerable versions of OpenSSL, even if they are not frequently updated.

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