CVE-2015-4116

HIGH

Description

Use-after-free vulnerability in the spl_ptr_heap_insert function in ext/spl/spl_heap.c in PHP before 5.5.27 and 5.6.x before 5.6.11 allows remote attackers to execute arbitrary code by triggering a failed SplMinHeap::compare operation.

References

http://git.php.net/?p=php-src.git;a=commit;h=1cbd25ca15383394ffa9ee8601c5de4c0f2f90e1

http://lists.opensuse.org/opensuse-updates/2016-06/msg00027.html

http://php.net/ChangeLog-5.php

https://bugs.php.net/bug.php?id=69737

https://www.htbridge.com/advisory/HTB23262

Details

Source: MITRE

Published: 2016-05-16

Updated: 2018-10-30

Risk Information

CVSS v2.0

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 v3.0

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