CVE-2016-4344

Integer overflow in the xml_utf8_encode function in ext/xml/xml.c in PHP before 7.0.4 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a long argument to the utf8_encode function, leading to a heap-based buffer overflow.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://php.net/ChangeLog-7.php	Release Notes Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/04/28/2	Mailing List Third Party Advisory
https://bugs.php.net/bug.php?id=71637	Exploit Issue Tracking Patch Vendor Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:php:php:*:*:*:*:*:*:*:*

Information

Published : 2016-05-21 18:59

Updated : 2022-07-20 09:56

NVD link : CVE-2016-4344

Mitre link : CVE-2016-4344

JSON object : View

CWE

CWE-190

Integer Overflow or Wraparound

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Products Affected

php

php

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