CVE-2016-4345

critical

Description

Integer overflow in the php_filter_encode_url function in ext/filter/sanitizing_filters.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 string, leading to a heap-based buffer overflow.

References

http://php.net/ChangeLog-7.php

http://www.openwall.com/lists/oss-security/2016/04/28/2

https://bugs.php.net/bug.php?id=71637

Details

Source: MITRE

Published: 2016-05-22

Updated: 2016-05-24

Type: CWE-189

Risk Information

CVSS v2

Base Score: 7.5

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

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL