CVE-2015-8866
Published: May 22, 2016Last modified: November 9, 2023
Description
ext/libxml/libxml.c in PHP before 5.5.22 and 5.6.x before 5.6.6, when PHP-FPM is used, does not isolate each thread from libxml_disable_entity_loader changes in other threads, which allows remote attackers to conduct XML External Entity (XXE) and XML Entity Expansion (XEE) attacks via a crafted XML document, a related issue to CVE-2015-5161.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.6 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | CHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
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://git.php.net/?p=php-src.git%3Ba=commit%3Bh=de31324c221c1791b26350ba106cc26bad23ace9
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.openwall.com/lists/oss-security/2016/04/24/1
- http://www.php.net/ChangeLog-5.php
- http://www.securityfocus.com/bid/87470
- http://www.ubuntu.com/usn/USN-2952-1
- http://www.ubuntu.com/usn/USN-2952-2
- https://bugs.launchpad.net/ubuntu/+source/php5/+bug/1509817
- https://bugs.php.net/bug.php?id=64938