medium
5
CWE
310
Advisory Published
Updated

CVE-2011-2483

First published: Thu Aug 25 2011(Updated: )

crypt_blowfish before 1.1, as used in PHP before 5.3.7 on certain platforms, PostgreSQL before 8.4.9, and other products, does not properly handle 8-bit characters, which makes it easier for context-dependent attackers to determine a cleartext password by leveraging knowledge of a password hash.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
PHP<=5.3.6
PHP=1.0
PHP=2.0
PHP=2.0b10
PHP=3.0
PHP=3.0.1
PHP=3.0.2
PHP=3.0.3
PHP=3.0.4
PHP=3.0.5
PHP=3.0.6
PHP=3.0.7
PHP=3.0.8
PHP=3.0.9
PHP=3.0.10
PHP=3.0.11
PHP=3.0.12
PHP=3.0.13
PHP=3.0.14
PHP=3.0.15
PHP=3.0.16
PHP=3.0.17
PHP=3.0.18
PHP=4.0-beta_4_patch1
PHP=4.0-beta1
PHP=4.0-beta2
PHP=4.0-beta3
PHP=4.0-beta4
PHP=4.0.0
PHP=4.0.1
PHP=4.0.2
PHP=4.0.3
PHP=4.0.4
PHP=4.0.5
PHP=4.0.6
PHP=4.0.7
PHP=4.1.0
PHP=4.1.1
PHP=4.1.2
PHP=4.2.0
PHP=4.2.1
PHP=4.2.2
PHP=4.2.3
PHP=4.3.0
PHP=4.3.1
PHP=4.3.2
PHP=4.3.3
PHP=4.3.4
PHP=4.3.5
PHP=4.3.6
PHP=4.3.7
PHP=4.3.8
PHP=4.3.9
PHP=4.3.10
PHP=4.3.11
PHP=4.4.0
PHP=4.4.1
PHP=4.4.2
PHP=4.4.3
PHP=4.4.4
PHP=4.4.5
PHP=4.4.6
PHP=4.4.7
PHP=4.4.8
PHP=4.4.9
PHP=5.0.0
PHP=5.0.0-beta1
PHP=5.0.0-beta2
PHP=5.0.0-beta3
PHP=5.0.0-beta4
PHP=5.0.0-rc1
PHP=5.0.0-rc2
PHP=5.0.0-rc3
PHP=5.0.1
PHP=5.0.2
PHP=5.0.3
PHP=5.0.4
PHP=5.0.5
PHP=5.1.0
PHP=5.1.1
PHP=5.1.2
PHP=5.1.3
PHP=5.1.4
PHP=5.1.5
PHP=5.1.6
PHP=5.2.0
PHP=5.2.1
PHP=5.2.2
PHP=5.2.3
PHP=5.2.4
PHP=5.2.5
PHP=5.2.6
PHP=5.2.8
PHP=5.2.9
PHP=5.2.10
PHP=5.2.11
PHP=5.2.12
PHP=5.2.13
PHP=5.2.14
PHP=5.3.0
PHP=5.3.1
PHP=5.3.2
PHP=5.3.3
PHP=5.3.4
PHP=5.3.5
Openwall Crypt Blowfish<=0.4.7
Openwall Crypt Blowfish=0.2
Openwall Crypt Blowfish=0.3
Openwall Crypt Blowfish=0.4
Openwall Crypt Blowfish=0.4.1
Openwall Crypt Blowfish=0.4.2
Openwall Crypt Blowfish=0.4.3
Openwall Crypt Blowfish=0.4.4
Openwall Crypt Blowfish=0.4.5
Openwall Crypt Blowfish=0.4.6
PHP<5.3.7
PostgreSQL Common>=8.2.0<8.2.22
PostgreSQL Common>=8.3.0<8.3.16
PostgreSQL Common>=8.4.0<8.4.9
PostgreSQL Common>=9.0.0<9.0.5
Openwall crypt_blowfish<1.1

Remedy

http://www.openwall.com/crypt/

Remedy

http://www.php.net/archive/2011.php#id2011-08-18-1

Remedy

http://www.postgresql.org/docs/8.4/static/release-8-4-9.html

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-2483?

    CVE-2011-2483 has been classified as a medium severity vulnerability due to its potential to expose cleartext passwords.

  • How do I fix CVE-2011-2483?

    To fix CVE-2011-2483, upgrade to a version of PHP greater than 5.3.6 or an updated version of the crypt_blowfish library.

  • Which software is affected by CVE-2011-2483?

    CVE-2011-2483 affects PHP versions prior to 5.3.7, PostgreSQL versions before 8.4.9, and older versions of the crypt_blowfish library.

  • What are the implications of CVE-2011-2483?

    Exploitation of CVE-2011-2483 can allow attackers to determine cleartext passwords based on knowledge of password hashes.

  • How can I mitigate the risks of CVE-2011-2483?

    Mitigation for CVE-2011-2483 includes updating affected software to the latest versions and disallowing the use of weak passwords.

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