CVE-2015-6831
Published: January 19, 2016Last modified: November 10, 2023
Description
Multiple use-after-free vulnerabilities in SPL in PHP before 5.4.44, 5.5.x before 5.5.28, and 5.6.x before 5.6.12 allow remote attackers to execute arbitrary code via vectors involving (1) ArrayObject, (2) SplObjectStorage, and (3) SplDoublyLinkedList, which are mishandled during unserialization.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.3 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | LOW |
| Integrity impact | LOW |
| Availability impact | LOW |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | php81 | Not affected (8.1.22-r0) |
| Stream | php81 | Not affected (8.1.22-r0) |
References
- http://www.debian.org/security/2015/dsa-3344
- http://www.openwall.com/lists/oss-security/2015/08/19/3
- http://www.php.net/ChangeLog-5.php
- http://www.securityfocus.com/bid/76737
- https://bugs.php.net/bug.php?id=70155
- https://bugs.php.net/bug.php?id=70166
- https://bugs.php.net/bug.php?id=70168
- https://bugs.php.net/bug.php?id=70169
- https://security.gentoo.org/glsa/201606-10