PHP zend_hash_del() unspecified variable modification

php-zendhashdel-unspecified (27396) The risk level is classified as LowLow Risk

Description:

An unspecified vulnerability in the PHP zend_hash_del() function could allow a remote attacker to prevent unsetting of certain variables.

Platforms Affected:

  • Canonical, Ubuntu 5.04
  • Canonical, Ubuntu 5.10
  • Canonical, Ubuntu 6.06 LTS
  • Debian, Debian Linux 3.1
  • Drupal, Drupal
  • MandrakeSoft, Mandrake Linux 2006
  • MandrakeSoft, Mandrake Linux 2006 X86_64
  • MandrakeSoft, Mandrake Linux LE2005 X86_64
  • MandrakeSoft, Mandrake Linux LE2005
  • MandrakeSoft, Mandrake Linux Corporate Server 3.0
  • MandrakeSoft, Mandrake Linux Corporate Server 3.0 X86_64
  • MandrakeSoft, Mandrake Multi Network Firewall 2.0
  • Novell, UnitedLinux 1.0
  • PHP, PHP 4.0.0
  • PHP, PHP 5.0.0
  • RedHat, Enterprise Linux 2.1 WS
  • RedHat, Enterprise Linux 2.1 AS
  • RedHat, Enterprise Linux 2.1 ES
  • RedHat, Enterprise Linux 3 Desktop
  • RedHat, Enterprise Linux 3 AS
  • RedHat, Enterprise Linux 3 WS
  • RedHat, Enterprise Linux 3 ES
  • RedHat, Enterprise Linux 4 AS
  • RedHat, Enterprise Linux 4 ES
  • RedHat, Enterprise Linux 4 Desktop
  • RedHat, Enterprise Linux 4 WS
  • RedHat, Linux Advanced Workstation 2.1 Itanium
  • RedHat, Stronghold
  • SuSE, Linux Enterprise Server 8
  • SuSE, SuSE Linux 10.0
  • SuSE, SuSE Linux 9.1
  • SuSE, SuSE Linux 9.2
  • SuSE, SuSE Linux 9.3
  • SuSE, SuSE SLES 9
  • Turbolinux, Turbolinux 10 Desktop
  • Turbolinux, Turbolinux 10 F...
  • Turbolinux, Turbolinux 10 Server
  • Turbolinux, Turbolinux 10 Server x64 Ed
  • Turbolinux, Turbolinux 8 Server
  • Turbolinux, Turbolinux Home
  • Turbolinux, Turbolinux Multimedia
  • Turbolinux, Turbolinux Personal
  • Turbolinux, Turbolinux
  • Turbolinux, Turbolinux Appliance Server 1.0 Hosting Ed
  • Turbolinux, Turbolinux Appliance Server 1.0 Workgroup Ed
  • Turbolinux, Turbolinux Appliance Server 2.0

Remedy:

For SuSE Linux:

For Red Hat Linux:
Refer to RHSA-2006:0568-8 for patch, upgrade, or suggested workaround information. See References.

For Red Hat Linux 2.1:
Refer to RHSA-2006:0567-7 for patch, upgrade, or suggested workaround information. See References.

For Debian GNU/Linux:
Refer to DSA-1206-1 for patch, upgrade, or suggested workaround information. See References.

For Turbolinux:
Refer to Turbolinux Security Advisory TLSA-2006-38 for patch, upgrade, or suggested workaround information. See References.

For SUSE Linux:
Refer to SUSE-SA:2006:034 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

Consequences:

Other

References:

  • DRUPAL-SA-2007-023, Public service announcement: PHP exploit using Drupal circulating at http://drupal.org/node/184313.
  • The PHP Group Web site, PHP: Hypertext Preprocessor at http://www.php.net/.
  • ASA-2006-175: php security update (RHSA-2006-0568)
  • ASA-2006-179: php security update (RHSA-2006-0567)
  • BID-17843: PHP Multiple Unspecified Vulnerabilities
  • CVE-2006-2657: ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2006-3017. Reason: This candidate is a reservation duplicate of CVE-2006-3017. Notes: All CVE users should reference CVE-2006-3017 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.
  • CVE-2006-3017: zend_hash_del_key_or_index in zend_hash.c in PHP before 4.4.3 and 5.x before 5.1.3 can cause zend_hash_del to delete the wrong element, which prevents a variable from being unset even when the PHP unset function is called, which might cause the variable's value to be used in security-relevant operations.
  • DSA-1206: php4 -- several vulnerabilities
  • MDKSA-2006:122: Updated php packages fix multiple vulnerabilities
  • OSVDB ID: 25255: PHP unset() Function Variable Persistence
  • OSVDB ID: 26466: PHP zend_hash_del() Variable Unsetting Unspecified Issue
  • RHSA-2006-0549: php security update for Stronghold
  • RHSA-2006-0567: php security update
  • RHSA-2006-0568: php security update
  • SA19927: PHP Multiple Vulnerabilities
  • SA21723: Avaya Products PHP Multiple Vulnerabilities
  • SECTRACK ID: 1016306: PHP Input Validation Hole Permits Cross-Site Scripting Attacks and Other Bugs Have Unspecified Impact
  • SECTRACK ID: 1016649: PHP zend_hash_del_key_or_index() May Let Remote Users Execute Arbitrary Code
  • SUSE-SA:2006:031: php4php5 security problems
  • SUSE-SA:2006:034: php4 bugfix update

Reported:

Jun 14, 2006

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