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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --tlPt5bAobrAW3BnIbkT7R7fXp69WOgIj6 Content-Type: multipart/mixed; boundary="Uaf78lxFPsaQuxmbb5wkpqQ0nhG800Nu5" From: Marc Deslauriers <marc.deslauriers@canonical.com> Reply-To: Ubuntu Security <security@ubuntu.com> To: ubuntu-security-announce@lists.ubuntu.com Message-ID: <ebffdcb7-9840-b7a1-8ae2-8963bb2d949a@canonical.com> Subject: [USN-3045-1] PHP vulnerabilities
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========================================================================== Ubuntu Security Notice USN-3045-1 August 02, 2016
php5, php7.0 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS
Summary:
Several security issues were fixed in PHP.
Software Description: - php7.0: HTML-embedded scripting language interpreter - php5: HTML-embedded scripting language interpreter
Details:
It was discovered that PHP incorrectly handled certain SplMinHeap::compare operations. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-4116)
It was discovered that PHP incorrectly handled recursive method calls. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-8873)
It was discovered that PHP incorrectly validated certain Exception objects when unserializing data. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-8876)
It was discovered that PHP header() function performed insufficient filtering for Internet Explorer. A remote attacker could possibly use this issue to perform a XSS attack. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-8935)
It was discovered that PHP incorrectly handled certain locale operations. An attacker could use this issue to cause PHP to crash, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2016-5093)
It was discovered that the PHP php_html_entities() function incorrectly handled certain string lengths. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2016-5094, CVE-2016-5095)
It was discovered that the PHP fread() function incorrectly handled certain lengths. An attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2016-5096)
It was discovered that the PHP FastCGI Process Manager (FPM) SAPI incorrectly handled memory in the access logging feature. An attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly expose sensitive information. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2016-5114)
It was discovered that PHP would not protect applications from contents of the HTTP_PROXY environment variable when based on the contents of the Proxy header from HTTP requests. A remote attacker could possibly use this issue in combination with scripts that honour the HTTP_PROXY variable to redirect outgoing HTTP requests. (CVE-2016-5385)
Hans Jerry Illikainen discovered that the PHP bzread() function incorrectly performed error handling. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-5399)
It was discovered that certain PHP multibyte string functions incorrectly handled memory. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2016-5768)
It was discovered that the PHP Mcrypt extension incorrectly handled memory. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2016-5769)
It was discovered that the PHP garbage collector incorrectly handled certain objects when unserializing malicious data. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue was only addressed in Ubuntu Ubuntu 14.04 LTS. (CVE-2016-5771, CVE-2016-5773)
It was discovered that PHP incorrectly handled memory when unserializing malicious xml data. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2016-5772)
It was discovered that the PHP php_url_parse_ex() function incorrectly handled string termination. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2016-6288)
It was discovered that PHP incorrectly handled path lengths when extracting certain Zip archives. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-6289)
It was discovered that PHP incorrectly handled session deserialization. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-6290)
It was discovered that PHP incorrectly handled exif headers when processing certain JPEG images. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-6291, CVE-2016-6292)
It was discovered that PHP incorrectly handled certain locale operations. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-6294)
It was discovered that the PHP garbage collector incorrectly handled certain objects when unserializing SNMP data. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-6295)
It was discovered that the PHP xmlrpc_encode_request() function incorrectly handled certain lengths. An attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-6296)
It was discovered that the PHP php_stream_zip_opener() function incorrectly handled memory. An attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-6297)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04 LTS: libapache2-mod-php7.0 7.0.8-0ubuntu0.16.04.2 php7.0-cgi 7.0.8-0ubuntu0.16.04.2 php7.0-cli 7.0.8-0ubuntu0.16.04.2 php7.0-fpm 7.0.8-0ubuntu0.16.04.2
Ubuntu 14.04 LTS: libapache2-mod-php5 5.5.9+dfsg-1ubuntu4.19 php5-cgi 5.5.9+dfsg-1ubuntu4.19 php5-cli 5.5.9+dfsg-1ubuntu4.19 php5-fpm 5.5.9+dfsg-1ubuntu4.19
Ubuntu 12.04 LTS: libapache2-mod-php5 5.3.10-1ubuntu3.24 php5-cgi 5.3.10-1ubuntu3.24 php5-cli 5.3.10-1ubuntu3.24 php5-fpm 5.3.10-1ubuntu3.24
In general, a standard system update will make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-3045-1 CVE-2015-4116, CVE-2015-8873, CVE-2015-8876, CVE-2015-8935, CVE-2016-5093, CVE-2016-5094, CVE-2016-5095, CVE-2016-5096, CVE-2016-5114, CVE-2016-5385, CVE-2016-5399, CVE-2016-5768, CVE-2016-5769, CVE-2016-5771, CVE-2016-5772, CVE-2016-5773, CVE-2016-6288, CVE-2016-6289, CVE-2016-6290, CVE-2016-6291, CVE-2016-6292, CVE-2016-6294, CVE-2016-6295, CVE-2016-6296, CVE-2016-6297
Package Information: https://launchpad.net/ubuntu/+source/php7.0/7.0.8-0ubuntu0.16.04.2 https://launchpad.net/ubuntu/+source/php5/5.5.9+dfsg-1ubuntu4.19 https://launchpad.net/ubuntu/+source/php5/5.3.10-1ubuntu3.24
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