National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-4539 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.8 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 3.9


Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183736.html
http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html
http://lists.opensuse.org/opensuse-updates/2016-06/msg00027.html
http://php.net/ChangeLog-5.php Patch
http://php.net/ChangeLog-7.php Patch
http://rhn.redhat.com/errata/RHSA-2016-2750.html
http://www.debian.org/security/2016/dsa-3602
http://www.openwall.com/lists/oss-security/2016/05/05/21
http://www.securityfocus.com/bid/90174
https://bugs.php.net/bug.php?id=72099 Exploit
https://git.php.net/?p=php-src.git;a=commit;h=dccda88f27a084bcbbb30198ace12b4e7ae961cc
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
https://security.gentoo.org/glsa/201611-22

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
5.5.34
 cpe:2.3:a:php:php:5.6.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.12:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.13:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.14:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.15:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.16:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.17:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.18:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.19:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:5.6.20:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

14 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-4539
NVD Published Date:
05/21/2016
NVD Last Modified:
10/30/2018