high
7.5
CWE
399 416
Advisory Published
Updated

CVE-2011-1148: Use After Free

First published: Fri Mar 18 2011(Updated: )

Use-after-free vulnerability in the substr_replace function in PHP 5.3.6 and earlier allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact by using the same variable for multiple arguments.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
PHP=4.3.9
PHP=4.4.9
PHP=3.0
PHP=4.0-beta1
PHP=3.0.5
PHP=3.0.11
PHP=4.0-beta4
PHP=5.3.1
PHP=4.2.0
PHP=3.0.1
PHP=3.0.2
PHP=4.4.4
PHP=4.1.0
PHP=4.3.4
PHP=4.0.4
PHP=4.3.0
PHP=4.0.5
PHP=3.0.8
PHP=4.3.6
PHP=3.0.13
PHP=4.3.7
PHP=4.2.2
PHP=4.4.2
PHP=3.0.7
PHP=4.3.2
PHP=4.3.11
PHP=4.0.0
PHP=3.0.6
PHP=3.0.17
PHP=4.0.7
PHP=4.0.2
PHP=4.3.3
PHP=2.0
PHP=4.1.1
PHP=3.0.15
PHP=3.0.16
PHP=5.3.0
PHP=4.4.3
PHP=5.3.3
PHP=3.0.10
PHP=3.0.4
PHP=4.2.3
PHP=4.4.5
PHP=4.0
PHP=4.0-beta2
PHP=2.0b10
PHP=4.4.8
PHP=4.0.6
PHP=4.1.2
PHP=5.3.2
PHP=5.3.4
PHP=4.3.1
PHP=3.0.18
PHP=4.0-beta_4_patch1
PHP=4.4.0
PHP=4.3.10
PHP=4.2.1
PHP=4.0.1
PHP=1.0
PHP=4.4.6
PHP=3.0.12
PHP=5.3.5
PHP<=5.3.6
PHP=4.4.1
PHP=4.0-beta3
PHP=4.0.3
PHP=3.0.14
PHP=3.0.9
PHP=3.0.3
PHP=4.3.8
PHP=4.3.5
PHP=4.4.7

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2011-1148?

    CVE-2011-1148 is categorized as a denial of service vulnerability due to memory corruption, with the potential for undefined impact.

  • How do I fix CVE-2011-1148?

    To mitigate CVE-2011-1148, users should upgrade to PHP version 5.3.7 or later, or apply the appropriate patches if available.

  • Which versions of PHP are affected by CVE-2011-1148?

    CVE-2011-1148 affects PHP versions 5.3.6 and earlier, as well as multiple older versions such as 4.x and 3.x.

  • Can CVE-2011-1148 lead to remote code execution?

    While CVE-2011-1148 primarily causes denial of service, it may also allow attackers to exploit memory corruption to achieve further impacts depending on the context.

  • Are there any known exploits for CVE-2011-1148?

    There are no publicly disclosed exploits for CVE-2011-1148, but the vulnerability allows for potential memory manipulation that could be exploited.

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