CVE-2015-2783: Buffer Overflow

Q: 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.

Q: 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.

Q: 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.

Q: 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.

Q: Was CVE-2015-2783 fixed in later PHP releases?

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

Published Jun 9, 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 pharparsemetadata and pharparsepharfile functions.

Affected Software

58 affected components

PHP PHP<=5.4.39

PHP PHP=5.5.0

PHP PHP=5.5.0-alpha1

PHP PHP=5.5.0-alpha2

PHP PHP=5.5.0-alpha3

PHP PHP=5.5.0-alpha4

PHP PHP=5.5.0-alpha5

PHP PHP=5.5.0-alpha6

PHP PHP=5.5.0-beta1

PHP PHP=5.5.0-beta2

PHP PHP=5.5.0-beta3

PHP PHP=5.5.0-beta4

PHP PHP=5.5.0-rc1

PHP PHP=5.5.0-rc2

PHP PHP=5.5.1

PHP PHP=5.5.2

PHP PHP=5.5.3

PHP PHP=5.5.4

PHP PHP=5.5.5

PHP PHP=5.5.6

PHP PHP=5.5.7

PHP PHP=5.5.8

PHP PHP=5.5.9

PHP PHP=5.5.10

PHP PHP=5.5.11

PHP PHP=5.5.12

PHP PHP=5.5.13

PHP PHP=5.5.14

PHP PHP=5.5.18

PHP PHP=5.5.19

PHP PHP=5.5.20

PHP PHP=5.5.21

PHP PHP=5.5.22

PHP PHP=5.5.23

PHP PHP=5.6.0-alpha1

PHP PHP=5.6.0-alpha2

PHP PHP=5.6.0-alpha3

PHP PHP=5.6.0-alpha4

PHP PHP=5.6.0-alpha5

PHP PHP=5.6.0-beta1

PHP PHP=5.6.0-beta2

PHP PHP=5.6.0-beta3

PHP PHP=5.6.0-beta4

PHP PHP=5.6.2

PHP PHP=5.6.3

PHP PHP=5.6.4

PHP PHP=5.6.5

PHP PHP=5.6.6

PHP PHP=5.6.7

redhat Enterprise Linux Desktop=7.0

redhat Enterprise Linux Hpc Node=7.0

redhat Enterprise Linux Hpc Node Eus=7.1

redhat Enterprise Linux Server=7.0

redhat Enterprise Linux Server Eus=7.1

redhat Enterprise Linux Workstation=7.0

redhat Enterprise Linux=6.0

redhat Enterprise Linux=7.0

Apple iOS and macOS<=10.10.5

Remediation

Patch Available

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

Event History

Jun 9, 2015

CVE Published

via MITRE·06:00 PM

Data Sourced

via MITRE·06:00 PM

Description

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?