High severity · published May 22, 2016
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…
8.8
CVSS
4.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
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
before 5.5.36; 5.6.0 before 5.6.18; 7.0.0 before 7.0.3 · source: NVD
OP
Opensuse · Opensuse
13.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4343
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-4343
Mailing List
http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html
Release Notes
http://php.net/ChangeLog-5.php
Release Notes
http://php.net/ChangeLog-7.php
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2750.html
Mailing List
http://www.openwall.com/lists/oss-security/2016/04/28/2
Third Party Advisory
http://www.securityfocus.com/bid/89179
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