medium
5.8
CWE
310
Advisory Published
CVE Published
Updated

CVE-2012-1251

First published: Mon Jun 04 2012(Updated: )

Opera before 9.63 does not properly verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Credit: vultures@jpcert.or.jp

Affected SoftwareAffected VersionHow to fix
Opera<=9.62
Opera=1.00
Opera=2.00
Opera=2.10
Opera=2.10-beta1
Opera=2.10-beta2
Opera=2.10-beta3
Opera=2.12
Opera=3.00
Opera=3.00-beta
Opera=3.10
Opera=3.21
Opera=3.50
Opera=3.51
Opera=3.60
Opera=3.61
Opera=3.62
Opera=3.62-beta
Opera=4.00
Opera=4.00-beta2
Opera=4.00-beta3
Opera=4.00-beta4
Opera=4.00-beta5
Opera=4.00-beta6
Opera=4.01
Opera=4.02
Opera=5.0
Opera=5.0-beta2
Opera=5.0-beta3
Opera=5.0-beta4
Opera=5.0-beta5
Opera=5.0-beta6
Opera=5.0-beta7
Opera=5.0-beta8
Opera=5.02
Opera=5.10
Opera=5.11
Opera=5.12
Opera=6.0
Opera=6.0-beta1
Opera=6.0-beta2
Opera=6.0-tp1
Opera=6.0-tp2
Opera=6.0-tp3
Opera=6.1
Opera=6.01
Opera=6.1-beta1
Opera=6.02
Opera=6.03
Opera=6.04
Opera=6.05
Opera=6.06
Opera=6.11
Opera=6.12
Opera=7.0
Opera=7.0-beta1
Opera=7.0-beta1_v2
Opera=7.0-beta2
Opera=7.01
Opera=7.02
Opera=7.03
Opera=7.10
Opera=7.10-beta1
Opera=7.11
Opera=7.11-beta2
Opera=7.20
Opera=7.20-beta7
Opera=7.21
Opera=7.22
Opera=7.23
Opera=7.50
Opera=7.50-beta1
Opera=7.51
Opera=7.52
Opera=7.53
Opera=7.54
Opera=7.54-update1
Opera=7.54-update2
Opera=7.60
Opera=8.0
Opera=8.0-beta1
Opera=8.0-beta2
Opera=8.0-beta3
Opera=8.01
Opera=8.02
Opera=8.50
Opera=8.51
Opera=8.52
Opera=8.53
Opera=8.54
Opera=9.0
Opera=9.0-beta1
Opera=9.0-beta2
Opera=9.01
Opera=9.02
Opera=9.10
Opera=9.12
Opera=9.20
Opera=9.20-beta1
Opera=9.21
Opera=9.22
Opera=9.23
Opera=9.24
Opera=9.25
Opera=9.26
Opera=9.27
Opera=9.50
Opera=9.50-beta1
Opera=9.50-beta2
Opera=9.51
Opera=9.52
Opera=9.60
Opera=9.60-beta1
Opera=9.61

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2012-1251?

    CVE-2012-1251 is classified as a high severity vulnerability due to its ability to allow man-in-the-middle attacks.

  • How do I fix CVE-2012-1251?

    To fix CVE-2012-1251, you should upgrade to Opera version 9.63 or later, which contains patches for this vulnerability.

  • What versions of Opera are affected by CVE-2012-1251?

    CVE-2012-1251 affects Opera versions prior to 9.63, including all versions up to and including 9.62.

  • What are the potential impacts of CVE-2012-1251?

    The potential impacts of CVE-2012-1251 include spoofing of SSL servers and interception of sensitive information by attackers.

  • Can CVE-2012-1251 be exploited remotely?

    Yes, CVE-2012-1251 can be exploited remotely by attackers using crafted SSL certificates to impersonate legitimate servers.

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