CVE-2016-4343

HIGH

PHP < 5.5.36 - Use-After-Free in phar_make_dirstream

Title source: llm
STIX 2.1

Description

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.

References (10)

Core 10
Core References
Release Notes, Vendor Advisory x_refsource_misc
http://php.net/ChangeLog-5.php
Exploit, Issue Tracking, Vendor Advisory x_refsource_confirm
https://bugs.php.net/bug.php?id=71331
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Release Notes, Vendor Advisory x_refsource_misc
http://php.net/ChangeLog-7.php
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/04/28/2
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/89179
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html

Scores

CVSS v3 8.8
EPSS 0.0421
EPSS Percentile 89.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-824
Status published
Products (2)
opensuse/opensuse 13.2
php/php < 5.5.36
Published May 22, 2016
Tracked Since Feb 18, 2026