Description
PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8 does not ensure that pathnames lack %00 sequences, which might allow remote attackers to read arbitrary files via crafted input to an application that calls the stream_resolve_include_path function in ext/standard/streamsfuncs.c, as demonstrated by a filename\0.extension attack that bypasses an intended configuration in which client users may read files with only one specific extension.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | php5 | 5.3.3.1-7+squeeze27 | DLA-307-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | php5 | 5.5.9+dfsg-1ubuntu4.11 | USN-2658-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | php +24 | 5.4.16-36.ael7b_1 | RHSA-2015:1135 |
| RHEL 6 | php +26 | 5.3.3-46.el6_6 | RHSA-2015:1218 |
| RHEL 2 | php54 +2 | 2.0-1.el6 | RHSA-2015:1066 |
| RHEL 2 | php54-php +24 | 5.4.40-1.el6 | RHSA-2015:1066 |
| RHEL 2 | php54-php-pecl-zendopcache | 7.0.4-3.el6 | RHSA-2015:1066 |
| RHEL 2 | php55-php +26 | 5.5.21-4.el6 | RHSA-2015:1186 |
| RHEL 2 | rh-php56-php +27 | 5.6.5-7.el6 | RHSA-2015:1187 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | php5 | 5.5.14-30.1 | SUSE-SU-2015:1253-2, SUSE-SU-2015:1253-1 |
| SLES 11 SP2 | php53 | 5.3.17-47.1 | SUSE-SU-2016:1638-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | php +24 | 5.4.16-36.el7_1 | ELSA-2015-1135 |
| Oracle Linux 7 | php54 +2 | 2.0-1.el7 | ELSA-2015-1066 |
| Oracle Linux 7 | php54-php +22 | 5.4.40-1.el7 | ELSA-2015-1066 |
| Oracle Linux 7 | php54-php-imap +1 | 5.4.40-1.el6 | ELSA-2015-1066 |
| Oracle Linux 7 | php54-php-pecl-zendopcache | 7.0.4-3.el7 | ELSA-2015-1066 |
| Oracle Linux 7 | php55-php +24 | 5.5.21-4.el7 | ELSA-2015-1186 |
Advisories 13
- RHSA-2015:1218 Red Hat Security Advisory: php security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:1187 Red Hat Security Advisory: rh-php56-php security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:1186 Red Hat Security Advisory: php55-php security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:1135 Red Hat Security Advisory: php security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2015:1066 Red Hat Security Advisory: php54 security and bug fix update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-2658-1 php5 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-307-1 php5 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2016:1638-1 Security update for php53 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1253-1 Security update for php5 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1253-2 Security update for php5 SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2015-1186 Important: php55-php security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Feb 4, 2016
- ELSA-2015-1066 Important: php54 security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Feb 4, 2016
- ELSA-2015-1135 Important: php security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 23, 2015
References
- RHSA-2015:1187 vendor-advisory
- 1032709 vdb-entry
- RHSA-2015:1186 vendor-advisory
- https://bugs.php.net/bug.php?id=69353
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=4435b9142ff9813845d5c97ab29a5d637bedb257
- http://php.net/ChangeLog-5.php
- RHSA-2015:1135 vendor-advisory
- 75250 vdb-entry
- RHSA-2015:1218 vendor-advisory