Vulnerability Details : CVE-2016-4539
Potential exploit
The xml_parse_into_struct function in ext/xml/xml.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 allows remote attackers to cause a denial of service (buffer under-read and segmentation fault) or possibly have unspecified other impact via crafted XML data in the second argument, leading to a parser level of zero.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2016-4539
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.13:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.14:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.20:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.12:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.19:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.17:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.18:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.15:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.16:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:5.6.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
Threat overview for CVE-2016-4539
Top countries where our scanners detected CVE-2016-4539
Top open port discovered on systems with this issue
80
IPs affected by CVE-2016-4539 472,191
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2016-4539!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2016-4539
2.34%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 83 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-4539
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2016-4539
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-4539
-
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
HPSBMU03691 rev.1 - HPE Insight Control, Multiple Remote Vulnerabilities
-
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183736.html
[SECURITY] Fedora 24 Update: php-5.6.21-1.fc24
-
https://security.gentoo.org/glsa/201611-22
PHP: Multiple vulnerabilities (GLSA 201611-22) — Gentoo security
-
http://lists.opensuse.org/opensuse-updates/2016-06/msg00027.html
openSUSE-SU-2016:1524-1: moderate: Security update for php5
-
https://git.php.net/?p=php-src.git;a=commit;h=dccda88f27a084bcbbb30198ace12b4e7ae961cc
208.43.231.11 Git - php-src.git/commit
-
http://www.securityfocus.com/bid/90174
PHP CVE-2016-4539 Remote Denial Of Service Vulnerability
-
http://www.openwall.com/lists/oss-security/2016/05/05/21
oss-security - CVE Request: PHP: several issues fixed with 7.0.6, 5.6.21 and 5.5.35
-
https://bugs.php.net/bug.php?id=72099
PHP :: Sec Bug #72099 :: xml_parse_into_struct segmentation faultExploit
-
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
HPSBMU03653 rev.1 - HPE System Management Homepage (SMH), Remote Arbitrary Code Execution, Cross-Site Scripting (XSS), Denial of Service (DoS), Unauthorized Disclosure of Information
-
http://www.debian.org/security/2016/dsa-3602
Debian -- Security Information -- DSA-3602-1 php5
-
http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html
openSUSE-SU-2016:1357-1: moderate: Security update for php5
-
https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=dccda88f27a084bcbbb30198ace12b4e7ae961cc
-
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
HPSBNS03635 rev.1 - HPE NonStop Servers OSS Script Languages running Perl and PHP, Multiple Local and Remote Vulnerabilities
-
http://rhn.redhat.com/errata/RHSA-2016-2750.html
RHSA-2016:2750 - Security Advisory - Red Hat Customer Portal
-
http://php.net/ChangeLog-7.php
PHP: PHP 7 ChangeLogPatch
-
http://php.net/ChangeLog-5.php
PHP: PHP 5 ChangeLogPatch
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