PHP 5.4.41/5.5.25/5.6.9 fileinfo buffer input validation

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-$5k0.00

A vulnerability was found in PHP 5.4.41/5.5.25/5.6.9 (Programming Language Software). It has been declared as critical. Affected by this vulnerability is the function finfo::file/finfo::buffer of the component fileinfo. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability.

The weakness was shared 06/26/2015 as Bug 1213442 as confirmed bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2015-4604 since 06/16/2015. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 83035 (PHP 5.6.x < 5.6.8 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196160 (Ubuntu Security Notification for Php5 Vulnerabilities (USN-2658-1)).

Upgrading to version 5.4.42, 5.6.10 or 5.5.26 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (104116) and Tenable (83035). The entries 69186, 75634, 76015 and 76016 are related to this item.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 83035
Nessus Name: PHP 5.6.x < 5.6.8 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 803685
OpenVAS Name: SuSE Update for php5 openSUSE-SU-2015:1197-1 (php5)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PHP 5.4.42/5.6.10/5.5.26
Patch: f938112c495b0d26572435c0be73ac0bfe642ecd

Timelineinfo

06/16/2015 🔍
06/16/2015 +0 days 🔍
06/16/2015 +0 days 🔍
06/18/2015 +2 days 🔍
06/25/2015 +7 days 🔍
06/26/2015 +1 days 🔍
06/29/2015 +3 days 🔍
05/16/2016 +322 days 🔍
05/22/2022 +2197 days 🔍

Sourcesinfo

Product: php.org

Advisory: Bug 1213442
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-4604 (🔍)
X-Force: 104116 - PHP Fileinfo denial of service
SecurityTracker: 1032709 - PHP Multiple Bugs Let Remote Users Deny Service and Execute Arbitrary Code
Vulnerability Center: 50613 - PHP <5.6.6 Remote DoS in libmagic/softmagic.c, Medium
SecurityFocus: 75241 - PHP libmagick 'libmagic/softmagic.c' Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 06/29/2015 17:45
Updated: 05/22/2022 08:52
Changes: 06/29/2015 17:45 (86), 07/07/2017 17:07 (3), 05/22/2022 08:47 (6), 05/22/2022 08:52 (1)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!