Critical severity · published May 22, 2016
CVE-2015-8866
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,…
9.6
CVSS
4.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)4.2% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
5.5.0 before 5.5.22; 5.6.0 before 5.6.6; 7.0.0 before 7.0.27; 7.1.0 before 7.1.13; 7.2.0 before 7.2.1 · source: NVD
LE
Leap · Opensuse
42.1 · source: NVD
LE
Linux Enterprise Module For Web Scripting · Suse
12 · source: NVD
LE
Linux Enterprise Software Development Kit · Suse
12; 12 · source: NVD
OP
Opensuse · Opensuse
13.2 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 15.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-8866
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-8866
git.php.net
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=de31324c221c1791b26350ba106cc26bad23ace9
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00031.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00033.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00056.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Mailing List
http://www.openwall.com/lists/oss-security/2016/04/24/1
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