CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	0.00

A vulnerability was found in PHP up to 5.4.40/5.5.24/5.6.8 (Programming Language Software). It has been rated as critical. This issue affects an unknown function of the component FTP Extension. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, integrity, and availability.

The weakness was published 05/14/2015 as confirmed changelog entry (Website). It is possible to read the advisory at php.net. The identification of this vulnerability is CVE-2015-4022 since 05/18/2015. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 83973 (Amazon Linux AMI : php54 (ALAS-2015-534)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350168 (Amazon Linux Security Advisory for php54: ALAS-2015-534).

Upgrading to version 5.4.41, 5.5.25 or 5.6.9 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 20016.

The vulnerability is also documented in the databases at Tenable (83973), SecurityFocus (BID 74902†), SecurityTracker (ID 1032433†) and Vulnerability Center (SBV-52133†). Similar entries are available at VDB-67396, VDB-67398, VDB-67420 and VDB-67724.

Productinfo

Type

• Programming Language Software

Name

• PHP

Version

• 5.4.0
• 5.4.1
• 5.4.2
• 5.4.3
• 5.4.4
• 5.4.5
• 5.4.6
• 5.4.7
• 5.4.8
• 5.4.9
• 5.4.10
• 5.4.11
• 5.4.12
• 5.4.13
• 5.4.14
• 5.4.15
• 5.4.16
• 5.4.17
• 5.4.18
• 5.4.19
• 5.4.20
• 5.4.21
• 5.4.22
• 5.4.23
• 5.4.24
• 5.4.25
• 5.4.26
• 5.4.27
• 5.4.28
• 5.4.29
• 5.4.30
• 5.4.31
• 5.4.32
• 5.4.33
• 5.4.34
• 5.4.35
• 5.4.36
• 5.4.37
• 5.4.38
• 5.4.39
• 5.4.40
• 5.5.0
• 5.5.1
• 5.5.2
• 5.5.3
• 5.5.4
• 5.5.5
• 5.5.6
• 5.5.7
• 5.5.8
• 5.5.9
• 5.5.10
• 5.5.11
• 5.5.12
• 5.5.13
• 5.5.14
• 5.5.15
• 5.5.16
• 5.5.17
• 5.5.18
• 5.5.19
• 5.5.20
• 5.5.21
• 5.5.22
• 5.5.23
• 5.5.24
• 5.6.0
• 5.6.1
• 5.6.2
• 5.6.3
• 5.6.4
• 5.6.5
• 5.6.6
• 5.6.7
• 5.6.8

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 83973
Nessus Name: Amazon Linux AMI : php54 (ALAS-2015-534)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703280
OpenVAS Name: Debian Security Advisory DSA 3280-1 (php5 - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: PHP 5.4.41/5.5.25/5.6.9
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

05/14/2015 🔍
05/14/2015 +0 days 🔍
05/14/2015 +0 days 🔍
05/14/2015 +0 days 🔍
05/18/2015 +4 days 🔍
05/29/2015 +11 days 🔍
06/01/2015 +3 days 🔍
06/09/2015 +8 days 🔍
08/17/2015 +69 days 🔍
05/19/2022 +2467 days 🔍

Sourcesinfo

Product: php.org

Advisory: 69545
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-4022 (🔍)
OVAL: 🔍

SecurityFocus: 74902 - PHP 'ftp_genlist()' Function Integer Overflow Vulnerability
SecurityTracker: 1032433 - PHP Integer Overflows Let Remote Users Execute Arbitrary Code
Vulnerability Center: 52133 - PHP 5.4 - 5.4.40, 5.5 - 5.5.24, 5.6 - 5.6.8 Remote Code Execution due to Integer Overflow in ftp_genlist(), Medium

See also: 🔍

Entryinfo

Created: 06/01/2015 10:13 AM
Updated: 05/19/2022 05:48 PM
Changes: 06/01/2015 10:13 AM (66), 10/16/2017 09:08 AM (14), 05/19/2022 05:32 PM (4), 05/19/2022 05:40 PM (1), 05/19/2022 05:48 PM (1)
Complete: 🔍
Cache ID: 18:038:40

Discussion

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