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Vigil@nce - PHP: multiple vulnerabilities

June 2016 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/offer

SYNTHESIS OF THE VULNERABILITY

An attacker can use several vulnerabilities of PHP.

Impacted products: Debian, BIG-IP Hardware, TMOS, Fedora,
openSUSE, openSUSE Leap, PHP, Slackware, SUSE Linux Enterprise
Desktop, SLES, Ubuntu.

Severity: 2/4.

Creation date: 29/04/2016.

DESCRIPTION OF THE VULNERABILITY

Several vulnerabilities were announced in PHP.

An attacker can generate a buffer overflow in php_raw_url_encode/
php_url_encode, in order to trigger a denial of service, and
possibly to run code. [severity:2/4; 71750]

An attacker can force a read at an invalid address in exif, in
order to trigger a denial of service, or to obtain sensitive
information. [severity:1/4; 72094, CVE-2016-4542, CVE-2016-4543,
CVE-2016-4544]

An attacker can generate a buffer overflow in libgd, in order to
trigger a denial of service, and possibly to run code
(VIGILANCE-VUL-19447). [severity:2/4; 71912, CVE-2016-3074]

An attacker can force a NULL pointer to be dereferenced in
ZEND_RETURN_SPEC_CONST_HANDLER, in order to trigger a denial of
service. [severity:1/4; 71843]

An attacker can force the usage of a freed memory area in
SplDoublyLinkedList::offsetSet, in order to trigger a denial of
service, and possibly to run code. [severity:2/4; 71735,
CVE-2016-3132]

An attacker can force a read at an invalid address in
zif_grapheme_stripos, in order to trigger a denial of service, or
to obtain sensitive information. [severity:2/4; 72061,
CVE-2016-4540, CVE-2016-4541]

An attacker can generate a memory corruption in bcpowmod, in order
to trigger a denial of service, and possibly to run code.
[severity:2/4; 72093, CVE-2016-4537, CVE-2016-4538]

An attacker can generate a memory corruption in
xml_parse_into_struct, in order to trigger a denial of service,
and possibly to run code. [severity:2/4; 72099, CVE-2016-4539]

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/PHP-multiple-vulnerabilities-19483


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