CVE-2016-4343

The phar_make_dirstream function in ext/phar/dirstream.c in PHP before 5.6.18 and 7.x before 7.0.3 mishandles zero-size ././@LongLink files, which allows remote attackers to cause a denial of service (uninitialized pointer dereference) or possibly have unspecified other impact via a crafted TAR archive.

CVSS v3.0 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://php.net/ChangeLog-7.php	Release Notes Vendor Advisory
http://php.net/ChangeLog-5.php	Release Notes Vendor Advisory
https://bugs.php.net/bug.php?id=71331	Exploit Issue Tracking Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/04/28/2	Mailing List Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731	Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149	Third Party Advisory
http://www.securityfocus.com/bid/89179	Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html	Mailing List Third Party Advisory
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722	Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2750.html	Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:php:php::::::::
	cpe:2.3:a:php:php::::::::
	cpe:2.3:a:php:php::::::::

Configuration 2 (hide)

cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*

Information

Published : 2016-05-21 18:59

Updated : 2022-07-20 09:31

NVD link : CVE-2016-4343

Mitre link : CVE-2016-4343

JSON object : View

CWE

CWE-824

Access of Uninitialized Pointer

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Products Affected

opensuse

opensuse

php

php

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