CWE
189
Advisory Published
Updated

CVE-2011-1471

First published: Sun Mar 20 2011(Updated: )

Integer signedness error in zip_stream.c in the Zip extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (CPU consumption) via a malformed archive file that triggers errors in zip_fread function calls.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
PHP<5.2.11
PHP>=5.3.0<5.3.6

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Frequently Asked Questions

  • What is the severity of CVE-2011-1471?

    CVE-2011-1471 has been rated as a moderate severity vulnerability due to its potential for causing denial of service.

  • How do I fix CVE-2011-1471?

    To mitigate CVE-2011-1471, you should upgrade PHP to version 5.3.6 or later.

  • Which PHP versions are affected by CVE-2011-1471?

    CVE-2011-1471 affects PHP versions prior to 5.3.6 and PHP 5.2.x versions.

  • What kind of exploit does CVE-2011-1471 enable?

    CVE-2011-1471 allows attackers to exploit the vulnerability through malformed archive files, leading to excessive CPU consumption.

  • Is CVE-2011-1471 a remote or local vulnerability?

    CVE-2011-1471 is considered a context-dependent vulnerability, potentially allowing remote attackers to affect the server.

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