medium
5.8
CWE
119
Advisory Published
Updated

CVE-2015-2783: Buffer Overflow

First published: Tue Jun 09 2015(Updated: )

ext/phar/phar.c in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8 allows remote attackers to obtain sensitive information from process memory or cause a denial of service (buffer over-read and application crash) via a crafted length value in conjunction with crafted serialized data in a phar archive, related to the phar_parse_metadata and phar_parse_pharfile functions.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
PHP<=5.4.39
PHP=5.5.0
PHP=5.5.0-alpha1
PHP=5.5.0-alpha2
PHP=5.5.0-alpha3
PHP=5.5.0-alpha4
PHP=5.5.0-alpha5
PHP=5.5.0-alpha6
PHP=5.5.0-beta1
PHP=5.5.0-beta2
PHP=5.5.0-beta3
PHP=5.5.0-beta4
PHP=5.5.0-rc1
PHP=5.5.0-rc2
PHP=5.5.1
PHP=5.5.2
PHP=5.5.3
PHP=5.5.4
PHP=5.5.5
PHP=5.5.6
PHP=5.5.7
PHP=5.5.8
PHP=5.5.9
PHP=5.5.10
PHP=5.5.11
PHP=5.5.12
PHP=5.5.13
PHP=5.5.14
PHP=5.5.18
PHP=5.5.19
PHP=5.5.20
PHP=5.5.21
PHP=5.5.22
PHP=5.5.23
PHP=5.6.0-alpha1
PHP=5.6.0-alpha2
PHP=5.6.0-alpha3
PHP=5.6.0-alpha4
PHP=5.6.0-alpha5
PHP=5.6.0-beta1
PHP=5.6.0-beta2
PHP=5.6.0-beta3
PHP=5.6.0-beta4
PHP=5.6.2
PHP=5.6.3
PHP=5.6.4
PHP=5.6.5
PHP=5.6.6
PHP=5.6.7
Red Hat Enterprise Linux Desktop=7.0
Red Hat Enterprise Linux HPC Node=7.0
Red Hat Enterprise Linux HPC Node=7.1
Red Hat Enterprise Linux Server=7.0
Red Hat Enterprise Linux Server=7.1
Red Hat Enterprise Linux Workstation=7.0
Red Hat Enterprise Linux=6.0
Red Hat Enterprise Linux=7.0
Apple iOS and macOS<=10.10.5

Remedy

http://php.net/ChangeLog-5.php

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2015-2783?

    CVE-2015-2783 has a moderate severity level, allowing remote attackers to access sensitive information or induce application crashes.

  • How do I fix CVE-2015-2783?

    To mitigate CVE-2015-2783, upgrade PHP to version 5.4.40 or later, or to 5.5.24 or later, or to 5.6.8 or later.

  • Which PHP versions are affected by CVE-2015-2783?

    CVE-2015-2783 affects PHP versions prior to 5.4.40, 5.5.24, and 5.6.8.

  • What types of attacks are possible with CVE-2015-2783?

    CVCE-2015-2783 can be exploited for a buffer over-read leading to information disclosure or denial of service.

  • Was CVE-2015-2783 fixed in later PHP releases?

    Yes, CVE-2015-2783 was addressed in subsequent PHP releases following the versions mentioned earlier.

Company

Resources

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