medium
6.4
CWE
119
Advisory Published
Updated

CVE-2010-2191: Buffer Overflow

First published: Mon Jun 07 2010(Updated: )

The (1) parse_str, (2) preg_match, (3) unpack, and (4) pack functions; the (5) ZEND_FETCH_RW, (6) ZEND_CONCAT, and (7) ZEND_ASSIGN_CONCAT opcodes; and the (8) ArrayObject::uasort method in PHP 5.2 through 5.2.13 and 5.3 through 5.3.2 allow context-dependent attackers to obtain sensitive information (memory contents) or trigger memory corruption by causing a userspace interruption of an internal function or handler. NOTE: vectors 2 through 4 are related to the call time pass by reference feature.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
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=5.2.7
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=5.3.0
PHP=5.3.1
PHP=5.3.2
=5.2.0
=5.2.1
=5.2.2
=5.2.3
=5.2.4
=5.2.5
=5.2.6
=5.2.7
=5.2.8
=5.2.9
=5.2.10
=5.2.11
=5.2.12
=5.2.13
=5.3.0
=5.3.1
=5.3.2

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2010-2191?

    CVE-2010-2191 is considered a moderate severity vulnerability that could allow context-dependent attackers to obtain sensitive information from affected PHP versions.

  • How do I fix CVE-2010-2191?

    To fix CVE-2010-2191, upgrade your PHP installation to version 5.3.3 or later, which addresses this vulnerability.

  • Which versions of PHP are affected by CVE-2010-2191?

    CVE-2010-2191 affects PHP versions 5.2.0 through 5.2.13 and 5.3.0 through 5.3.2.

  • What components of PHP are vulnerable in CVE-2010-2191?

    The CVE-2010-2191 vulnerability affects the parse_str, preg_match, unpack, pack functions, several opcodes, and the ArrayObject::uasort method.

  • Can CVE-2010-2191 be exploited remotely?

    Yes, CVE-2010-2191 can be exploited remotely if attackers can leverage context-specific conditions to gain access to sensitive information.

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