Vulnerability Details : CVE-2016-4343
Potential exploit
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.
Vulnerability category: Denial of service
Products affected by CVE-2016-4343
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
Threat overview for CVE-2016-4343
Top countries where our scanners detected CVE-2016-4343
Top open port discovered on systems with this issue
80
IPs affected by CVE-2016-4343 465,793
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2016-4343!
*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-2016-4343
3.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-4343
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2016-4343
-
The product accesses or uses a pointer that has not been initialized.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-4343
-
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
HPSBMU03691 rev.1 - HPE Insight Control, Multiple Remote VulnerabilitiesThird Party Advisory
-
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 InformationThird Party Advisory
-
http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html
openSUSE-SU-2016:1357-1: moderate: Security update for php5Mailing List;Third Party Advisory
-
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 VulnerabilitiesThird Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2016-2750.html
RHSA-2016:2750 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2016/04/28/2
oss-security - [CVE Requests] PHP issuesMailing List;Third Party Advisory
-
http://php.net/ChangeLog-7.php
PHP: PHP 7 ChangeLogRelease Notes;Vendor Advisory
-
https://bugs.php.net/bug.php?id=71331
PHP :: Sec Bug #71331 :: Uninitialized pointer in phar_make_dirstream()Exploit;Issue Tracking;Vendor Advisory
-
http://www.securityfocus.com/bid/89179
PHP CVE-2016-4343 Uninitialized Pointer Denial of Service VulnerabilityThird Party Advisory;VDB Entry
-
http://php.net/ChangeLog-5.php
PHP: PHP 5 ChangeLogRelease Notes;Vendor Advisory
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