CVE-2016-5399 : The bzread function in ext/bz2/bz2.c in PHP before 5.5.38, 5.6.x before 5.6.24,

The bzread function in ext/bz2/bz2.c in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9 allows remote attackers to cause a denial of service (out-of-bounds write) or execute arbitrary code via a crafted bz2 archive.

Published 2017-04-21 20:59:01

Updated 2023-02-12 23:23:56

Source Red Hat, Inc.

View at NVD, CVE.org

Vulnerability category: Memory CorruptionExecute codeDenial of service

Products affected by CVE-2016-5399

PHP » PHP
Versions up to, including, (<=) 5.5.37
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
Matching versions
PHP » PHP
Versions from including (>=) 5.6.0 and before (<) 5.6.24
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
Matching versions
PHP » PHP
Versions from including (>=) 7.0.0 and before (<) 7.0.9
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
Matching versions

Threat overview for CVE-2016-5399

Top countries where our scanners detected CVE-2016-5399

Top open port discovered on systems with this issue 80

IPs affected by CVE-2016-5399 526,373

Threat actors abusing to this issue? Yes

Find out if you^* are affected by CVE-2016-5399!

^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2016-5399

EPSS FAQ

22.79%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 96 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-5399

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:P	8.6	6.4	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2016-5399

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2016-5399

https://www.exploit-db.com/exploits/40155/

PHP 5.5.37/5.6.23/7.0.8 - 'bzread()' Out-of-Bounds Write
Exploit;Third Party Advisory;VDB Entry
http://rhn.redhat.com/errata/RHSA-2016-2598.html

RHSA-2016:2598 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
https://bugs.php.net/bug.php?id=72613

PHP :: Sec Bug #72613 :: Inadequate error handling in bzread()
Exploit;Vendor Advisory
http://www.securitytracker.com/id/1036430

PHP Multiple Flaws Let Remote and Local Users Obtain Potentially Sensitive Information and Execute Arbitrary Code - SecurityTracker
Third Party Advisory;VDB Entry

CVEs referencing this url
http://seclists.org/fulldisclosure/2016/Jul/72

Full Disclosure: CVE-2016-5399: php: out-of-bounds write in bzread()
Exploit;Mailing List;Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1358395

1358395 – (CVE-2016-5399) CVE-2016-5399 php: Improper error handling in bzread()
Issue Tracking;Third Party Advisory;VDB Entry
http://www.debian.org/security/2016/dsa-3631

Debian -- Security Information -- DSA-3631-1 php5
Third Party Advisory

CVEs referencing this url
https://security.netapp.com/advisory/ntap-20180112-0001/

September 2017 PHP Vulnerabilities in NetApp Products | NetApp Product Security
Third Party Advisory

CVEs referencing this url
http://www.securityfocus.com/archive/1/538966/100/0/threaded

SecurityFocus
Third Party Advisory;VDB Entry
http://www.openwall.com/lists/oss-security/2016/07/21/1

oss-security - CVE-2016-5399: php: out-of-bounds write in bzread()
Exploit;Mailing List;Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2750.html

RHSA-2016:2750 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
http://php.net/ChangeLog-7.php

PHP: PHP 7 ChangeLog
Release Notes;Vendor Advisory

CVEs referencing this url
http://www.securityfocus.com/bid/92051

PHP 'bzread()' Function Out of Bounds Remote Code Execution Vulnerability
Third Party Advisory;VDB Entry
http://php.net/ChangeLog-5.php

PHP: PHP 5 ChangeLog
Release Notes;Vendor Advisory

CVEs referencing this url
http://packetstormsecurity.com/files/137998/PHP-7.0.8-5.6.23-5.5.37-bzread-OOB-Write.html

PHP 7.0.8 / 5.6.23 / 5.5.37 bzread() OOB Write ≈ Packet Storm
Exploit;Third Party Advisory;VDB Entry