The pcntl_exec implementation in PHP before 5.4.41, 5.5.x before 5.5.25, and 5.6.x before 5.6.9 truncates a pathname upon encountering a \x00 character, which might allow remote attackers to bypass intended extension restrictions and execute files with unexpected names via a crafted first argument. NOTE: this vulnerability exists because of an incomplete fix for CVE-2006-7243.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.09632.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

Configuration 1 [-]

OR cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*

Configuration 2 [-]

OR cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.4.39:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:alpha4:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:alpha5:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:alpha6:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:beta1:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:beta2:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:beta3:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:beta4:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:rc1:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.0:rc2:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.1:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.2:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.3:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.4:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.5:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.6:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.7:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.8:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.9:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.10:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.11:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.12:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.13:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.14:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.18:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.19:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.20:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.21:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.22:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.23:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.5.24:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:*
cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:*

Configuration 3 [-]

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*

Configuration 4 [-]

OR cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_hpc_node_eus:7.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
Package CPE Advisory Released Date
Red Hat Enterprise Linux 6
php-0:5.3.3-46.el6_6 cpe:/o:redhat:enterprise_linux:6 RHSA-2015:1218 2015-07-09T00:00:00Z
Red Hat Enterprise Linux 7
php-0:5.4.16-36.el7_1 cpe:/o:redhat:enterprise_linux:7 RHSA-2015:1135 2015-06-23T00:00:00Z
Red Hat Software Collections for Red Hat Enterprise Linux 6
php55-php-0:5.5.21-4.el6 cpe:/a:redhat:rhel_software_collections:2::el6 RHSA-2015:1186 2015-06-25T00:00:00Z
rh-php56-php-0:5.6.5-7.el6 cpe:/a:redhat:rhel_software_collections:2::el6 RHSA-2015:1187 2015-06-25T00:00:00Z
php54-php-0:5.4.40-3.el6 cpe:/a:redhat:rhel_software_collections:2::el6 RHSA-2015:1219 2015-07-09T00:00:00Z
Red Hat Software Collections for Red Hat Enterprise Linux 6.5 EUS
php55-php-0:5.5.21-4.el6 cpe:/a:redhat:rhel_software_collections:2::el6 RHSA-2015:1186 2015-06-25T00:00:00Z
rh-php56-php-0:5.6.5-7.el6 cpe:/a:redhat:rhel_software_collections:2::el6 RHSA-2015:1187 2015-06-25T00:00:00Z
php54-php-0:5.4.40-3.el6 cpe:/a:redhat:rhel_software_collections:2::el6 RHSA-2015:1219 2015-07-09T00:00:00Z
Red Hat Software Collections for Red Hat Enterprise Linux 6.6 EUS
php55-php-0:5.5.21-4.el6 cpe:/a:redhat:rhel_software_collections:2::el6 RHSA-2015:1186 2015-06-25T00:00:00Z
rh-php56-php-0:5.6.5-7.el6 cpe:/a:redhat:rhel_software_collections:2::el6 RHSA-2015:1187 2015-06-25T00:00:00Z
php54-php-0:5.4.40-3.el6 cpe:/a:redhat:rhel_software_collections:2::el6 RHSA-2015:1219 2015-07-09T00:00:00Z
Red Hat Software Collections for Red Hat Enterprise Linux 7
php55-php-0:5.5.21-4.el7 cpe:/a:redhat:rhel_software_collections:2::el7 RHSA-2015:1186 2015-06-25T00:00:00Z
rh-php56-php-0:5.6.5-7.el7 cpe:/a:redhat:rhel_software_collections:2::el7 RHSA-2015:1187 2015-06-25T00:00:00Z
php54-php-0:5.4.40-3.el7 cpe:/a:redhat:rhel_software_collections:2::el7 RHSA-2015:1219 2015-07-09T00:00:00Z
Red Hat Software Collections for Red Hat Enterprise Linux 7.1 EUS
php55-php-0:5.5.21-4.el7 cpe:/a:redhat:rhel_software_collections:2::el7 RHSA-2015:1186 2015-06-25T00:00:00Z
rh-php56-php-0:5.6.5-7.el7 cpe:/a:redhat:rhel_software_collections:2::el7 RHSA-2015:1187 2015-06-25T00:00:00Z
php54-php-0:5.4.40-3.el7 cpe:/a:redhat:rhel_software_collections:2::el7 RHSA-2015:1219 2015-07-09T00:00:00Z

No data.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-307-1 php5 security update
Debian DSA Debian DSA DSA-3280-1 php5 security update
EUVD EUVD EUVD-2015-4054 The pcntl_exec implementation in PHP before 5.4.41, 5.5.x before 5.5.25, and 5.6.x before 5.6.9 truncates a pathname upon encountering a \x00 character, which might allow remote attackers to bypass intended extension restrictions and execute files with unexpected names via a crafted first argument. NOTE: this vulnerability exists because of an incomplete fix for CVE-2006-7243.
Ubuntu USN Ubuntu USN USN-2658-1 PHP vulnerabilities
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html cve-icon cve-icon
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158616.html cve-icon cve-icon
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/158915.html cve-icon cve-icon
http://lists.fedoraproject.org/pipermail/package-announce/2015-May/159031.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-updates/2015-06/msg00002.html cve-icon cve-icon
http://php.net/ChangeLog-5.php cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2015-1135.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2015-1186.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2015-1187.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2015-1218.html cve-icon cve-icon
http://rhn.redhat.com/errata/RHSA-2015-1219.html cve-icon cve-icon
http://www.debian.org/security/2015/dsa-3280 cve-icon cve-icon
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html cve-icon cve-icon
http://www.securityfocus.com/bid/75056 cve-icon cve-icon
http://www.securitytracker.com/id/1032431 cve-icon cve-icon
https://bugs.php.net/bug.php?id=68598 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2015-4026 cve-icon
https://security.gentoo.org/glsa/201606-10 cve-icon cve-icon
https://support.apple.com/kb/HT205031 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2015-4026 cve-icon
History

No history.

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T06:04:02.379Z

Reserved: 2015-05-18T00:00:00.000Z

Link: CVE-2015-4026

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2015-06-09T18:59:08.597

Modified: 2025-04-12T10:46:40.837

Link: CVE-2015-4026

cve-icon Redhat

Severity : Low

Publid Date: 2015-05-14T00:00:00Z

Links: CVE-2015-4026 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses