medium
5.8
CWE
310
Advisory Published
CVE Published
Updated

CVE-2014-0092

First published: Tue Feb 25 2014(Updated: )

It was discovered that GnuTLS X.509 certificate verification code failed to properly handle certain errors that can occur during the certificate verification. When such errors are encountered, GnuTLS would report successful verification of the certificate, even though verification should end with failure. A specially-crafted certificate can be accepted by GnuTLS as valid even if it wasn't issued by any trusted Certificate Authority. This can be used to perform man-in-the-middle attacks against applications using GnuTLS.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/gnutls<3.1.22
3.1.22
redhat/gnutls<3.2.12
3.2.12
GnuTLS<=3.2.11
GnuTLS=3.2.0
GnuTLS=3.2.1
GnuTLS=3.2.2
GnuTLS=3.2.3
GnuTLS=3.2.4
GnuTLS=3.2.5
GnuTLS=3.2.6
GnuTLS=3.2.7
GnuTLS=3.2.8
GnuTLS=3.2.8.1
GnuTLS=3.2.9
GnuTLS=3.2.10
GnuTLS<=3.1.21
GnuTLS=3.1.0
GnuTLS=3.1.1
GnuTLS=3.1.2
GnuTLS=3.1.3
GnuTLS=3.1.4
GnuTLS=3.1.5
GnuTLS=3.1.6
GnuTLS=3.1.7
GnuTLS=3.1.8
GnuTLS=3.1.9
GnuTLS=3.1.10
GnuTLS=3.1.11
GnuTLS=3.1.12
GnuTLS=3.1.13
GnuTLS=3.1.14
GnuTLS=3.1.15
GnuTLS=3.1.16
GnuTLS=3.1.17
GnuTLS=3.1.18
GnuTLS=3.1.19
GnuTLS=3.1.20

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2014-0092?

    CVE-2014-0092 is rated as a high severity vulnerability due to improper handling of errors during X.509 certificate verification in GnuTLS.

  • How do I fix CVE-2014-0092?

    To fix CVE-2014-0092, upgrade GnuTLS to version 3.1.22 or later for the 3.1.x branch, or version 3.2.12 or later for the 3.2.x branch.

  • Which versions of GnuTLS are affected by CVE-2014-0092?

    GnuTLS versions up to and including 3.1.21 and 3.2.11 are affected by CVE-2014-0092.

  • What could happen if CVE-2014-0092 is exploited?

    Exploiting CVE-2014-0092 could allow an attacker to successfully verify a fraudulent certificate, compromising secure communications.

  • Is there a workaround for CVE-2014-0092?

    There are no specific workarounds for CVE-2014-0092, so updating to a fixed version is strongly recommended.

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