medium
5
CWE
399
Advisory Published
Updated

CVE-2012-0027

First published: Fri Jan 06 2012(Updated: )

The GOST ENGINE in OpenSSL before 1.0.0f does not properly handle invalid parameters for the GOST block cipher, which allows remote attackers to cause a denial of service (daemon crash) via crafted data from a TLS client.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
OpenSSL<=1.0.0e
OpenSSL=0.9.1c
OpenSSL=0.9.2b
OpenSSL=0.9.3
OpenSSL=0.9.3a
OpenSSL=0.9.4
OpenSSL=0.9.5
OpenSSL=0.9.5a
OpenSSL=0.9.6
OpenSSL=0.9.6a
OpenSSL=0.9.6b
OpenSSL=0.9.6c
OpenSSL=0.9.6d
OpenSSL=0.9.6e
OpenSSL=0.9.6f
OpenSSL=0.9.6g
OpenSSL=0.9.6h
OpenSSL=0.9.6h-bogus
OpenSSL=0.9.6i
OpenSSL=0.9.6j
OpenSSL=0.9.6k
OpenSSL=0.9.6l
OpenSSL=0.9.6m
OpenSSL=0.9.7
OpenSSL=0.9.7a
OpenSSL=0.9.7b
OpenSSL=0.9.7c
OpenSSL=0.9.7d
OpenSSL=0.9.7e
OpenSSL=0.9.7f
OpenSSL=0.9.7g
OpenSSL=0.9.7h
OpenSSL=0.9.7i
OpenSSL=0.9.7j
OpenSSL=0.9.7k
OpenSSL=0.9.7l
OpenSSL=0.9.7m
OpenSSL=0.9.8
OpenSSL=0.9.8a
OpenSSL=0.9.8b
OpenSSL=0.9.8c
OpenSSL=0.9.8d
OpenSSL=0.9.8e
OpenSSL=0.9.8f
OpenSSL=0.9.8g
OpenSSL=0.9.8h
OpenSSL=0.9.8i
OpenSSL=0.9.8j
OpenSSL=0.9.8k
OpenSSL=0.9.8l
OpenSSL=0.9.8m
OpenSSL=0.9.8n
OpenSSL=0.9.8o
OpenSSL=0.9.8p
OpenSSL=0.9.8q
OpenSSL=0.9.8r
OpenSSL=0.9.8s
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

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-0027?

    CVE-2012-0027 has a severity rating that indicates it can lead to a denial of service due to the inability of OpenSSL to properly handle invalid parameters.

  • How do I fix CVE-2012-0027?

    To fix CVE-2012-0027, upgrade to OpenSSL version 1.0.0f or later that includes fixes for the vulnerability.

  • Which versions of OpenSSL are affected by CVE-2012-0027?

    CVE-2012-0027 affects OpenSSL versions prior to 1.0.0f, including 0.9.1c, 0.9.2b, and multiple versions up to 1.0.0e.

  • What kind of attack does CVE-2012-0027 enable?

    CVE-2012-0027 enables remote attackers to execute a denial of service attack that causes the daemon to crash.

  • Is CVE-2012-0027 associated with TLS clients?

    Yes, CVE-2012-0027 can be triggered by crafted data sent from a TLS client, exploiting the vulnerability in the GOST ENGINE.

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