Apple Mac OS X up to 10.9.4 apache_mod_php softmagic.c mconvert memory corruption

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.
5.1$0-$5k0.00

A vulnerability classified as problematic was found in Apple Mac OS X up to 10.9.4 (Operating System). Affected by this vulnerability is the function mconvert of the file softmagic.c of the component apache_mod_php. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. The summary by CVE is:

Buffer overflow in the mconvert function in softmagic.c in file before 5.19, as used in the Fileinfo component in PHP before 5.4.30 and 5.5.x before 5.5.14, allows remote attackers to cause a denial of service (application crash) via a crafted Pascal string in a FILE_PSTRING conversion.

The weakness was disclosed 09/17/2014 by Francisco Alonso with Red Hat Security Response Team as HT6443 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2014-3478 since 05/14/2014. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 76439 (Mandriva Linux Security Advisory : file (MDVSA-2014:131)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 185089 (HP-UX Apache Server Suite Multiple Vulnerabilities (HPSBUX03102)).

Upgrading to version 10.9.5 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (76439). The entries 3695, 5786, 5794 and 9021 are pretty similar.

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 76439
Nessus Name: Mandriva Linux Security Advisory : file (MDVSA-2014:131)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 702974
OpenVAS Name: Debian Security Advisory DSA 2974-1 (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: 🔍
Exposure Time: 🔍

Upgrade: Mac OS X 10.9.5
Patch: github.com

Timelineinfo

05/14/2014 🔍
06/10/2014 +27 days 🔍
06/10/2014 +0 days 🔍
06/29/2014 +19 days 🔍
07/09/2014 +10 days 🔍
07/10/2014 +1 days 🔍
07/14/2014 +4 days 🔍
09/17/2014 +65 days 🔍
09/17/2014 +0 days 🔍
09/23/2014 +6 days 🔍
02/20/2022 +2707 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT6443
Researcher: Francisco Alonso
Organization: Red Hat Security Response Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-3478 (🔍)
OVAL: 🔍
IAVM: 🔍

Vulnerability Center: 45155 - PHP and Apple OS X Remote DoS Vulnerability due to Incorrect Handling of Truncated Pascal String Size in mconvert(), High
SecurityFocus: 68120 - PHP Fileinfo Component 'cdf_read_property_info()' Function Denial of Service Vulnerability
Secunia: 59794 - Debian update for php5, Moderately Critical

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 09/23/2014 13:06
Updated: 02/20/2022 13:56
Changes: 09/23/2014 13:06 (84), 05/31/2017 09:16 (5), 02/20/2022 13:51 (3), 02/20/2022 13:56 (1)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you want to use VulDB in your project?

Use the official API to access entries easily!