Double free vulnerability in the SplDoublyLinkedList::offsetSet function in ext/spl/spl_dllist.c in PHP 7.x before 7.0.6 allows remote attackers to execute arbitrary code via a crafted index.

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2984-1 advisory.

    It was discovered that the PHP Fileinfo component incorrectly handled certain magic files. 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 16.04 LTS. (CVE-2015-8865)

    Hans Jerry Illikainen discovered that the PHP Zip extension incorrectly handled certain malformed 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. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-3078)

    It was discovered that PHP incorrectly handled invalid indexes in the SplDoublyLinkedList class. 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 16.04 LTS. (CVE-2016-3132)

    It was discovered that the PHP rawurlencode() function incorrectly handled large strings. A remote     attacker could use this issue to cause PHP to crash, resulting in a denial of service. This issue only     affected Ubuntu 16.04 LTS. (CVE-2016-4070)

    It was discovered that the PHP php_snmp_error() function incorrectly handled string formatting. 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 16.04 LTS. (CVE-2016-4071)

    It was discovered that the PHP phar extension incorrectly handled certain filenames in archives. 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 16.04 LTS. (CVE-2016-4072)

    It was discovered that the PHP mb_strcut() function incorrectly handled string formatting. 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 16.04 LTS. (CVE-2016-4073)

    It was discovered that the PHP phar extension incorrectly handled certain archive files. 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, Ubuntu 14.04 LTS and Ubuntu 15.10.
    (CVE-2016-4342, CVE-2016-4343)

    It was discovered that the PHP bcpowmod() function 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.

    (CVE-2016-4537, CVE-2016-4538)

    It was discovered that the PHP XML parser incorrectly handled certain malformed XML data. A remote     attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service, or     possibly execute arbitrary code. (CVE-2016-4539)

    It was discovered that certain PHP grapheme functions incorrectly handled negative offsets. A remote     attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service.
    (CVE-2016-4540, CVE-2016-4541)

    It was discovered that PHP incorrectly handled certain malformed EXIF tags. A remote attacker could     possibly use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2016-4542,     CVE-2016-4543, CVE-2016-4544)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

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CVE-2016-3132

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