CVE-2016-4071: Input Validation

Published May 20, 2016
·
Updated

Fixed bug (phpsnmperror() Format String Vulnerability). (CVE-2016-4071)

Other sources

Format string vulnerability in the phpsnmperror function in ext/snmp/snmp.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allows remote attackers to execute arbitrary code via format string specifiers in an SNMP::get call.

Affected Software

82 affected componentsFixes available
debian/php5
debian/php7.0
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=5.6.1
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
PHP PHP=5.6.8
PHP PHP=5.6.9
PHP PHP=5.6.10
PHP PHP=5.6.11
PHP PHP=5.6.12
PHP PHP=5.6.13
PHP PHP=5.6.14
PHP PHP=5.6.15
PHP PHP=5.6.16
PHP PHP=5.6.17
PHP PHP=5.6.18
PHP PHP=5.6.19
Apple iOS and macOS<=10.11.4
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=5.5.15
PHP PHP=5.5.16
PHP PHP=5.5.17
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=5.5.24
PHP PHP=5.5.25
PHP PHP=5.5.26
PHP PHP=5.5.27
PHP PHP=5.5.29
PHP PHP=5.5.30
PHP PHP=5.5.31
PHP PHP=5.5.32
PHP PHP=5.5.33
PHP PHP=7.0.0
PHP PHP=7.0.1
PHP PHP=7.0.2
PHP PHP=7.0.3
PHP PHP=7.0.4
PHP PHP<7.0.5
7.0.5

Remediation

Patch Available

https://git.php.net/?p=php-src.git;a=commit;h=6e25966544fb1d2f3d7596e060ce9c9269bbdcf8

Patch Available

https://git.php.net/?p=php-src.git;a=commit;h=9c19a08b9daed6bae3071dd25742f59a59618823

Event History

May 20, 2016
CVE Published
via MITRE·10:00 AM
Data Sourced
via MITRE·10:00 AM
Description
Jan 11, 2024
Data Sourced
via Launchpad·10:17 PM
Description
Sep 20, 2024
Data Sourced
via Ubuntu·01:14 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2016-4071?

CVE-2016-4071 is classified as a high severity vulnerability due to its potential for allowing remote code execution.

2

How do I fix CVE-2016-4071?

To fix CVE-2016-4071, upgrade your PHP installation to version 5.5.34, 5.6.20, or 7.0.5 or higher.

3

What versions of PHP are affected by CVE-2016-4071?

CVE-2016-4071 affects PHP versions prior to 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5.

4

Is CVE-2016-4071 exploitable remotely?

Yes, CVE-2016-4071 is exploitable remotely through the php_snmp_error function via crafted format string specifiers.

5

What impact does CVE-2016-4071 have on my system?

CVE-2016-4071 can lead to arbitrary code execution, which may compromise the security and integrity of the affected system.

Company

Resources

Contact

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