Christos Zoulas File 5.21 readelf.c 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.

A vulnerability was found in Christos Zoulas File 5.21. It has been classified as critical. Affected is an unknown function of the file readelf.c. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 02/05/2015 by Moritz Muehlenhoff as confirmed mailinglist post (oss-sec). The advisory is available at This vulnerability is traded as CVE-2014-9653 since 02/04/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 82862 (Debian DLA-204-1 : file security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236004 (Red Hat Update for file (RHSA-2016:0760)).

Upgrading to version 5.22 eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (100749), Vulnerability Center (SBV-56872) and Tenable (82862). Further details are available at Similar entries are available at 67398, 67724, 68081 and 68414.





  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍



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

NVD Base Score: 🔍


Class: Input validation
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 82862
Nessus Name: Debian DLA-204-1 : file security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 80056
OpenVAS Name: Oracle Linux Local Check: ELSA-2015-2155
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

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

Upgrade: File 5.22


02/04/2015 🔍
02/05/2015 +0 days 🔍
02/05/2015 +0 days 🔍
02/10/2015 +5 days 🔍
03/30/2015 +48 days 🔍
04/19/2015 +19 days 🔍
04/20/2015 +1 days 🔍
07/20/2015 +91 days 🔍
03/01/2016 +226 days 🔍
03/09/2022 +2198 days 🔍


Advisory: 445c8fb0ebff85195be94cd9f7e1df89cade5c7f
Researcher: Moritz Muehlenhoff
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-9653 (🔍)

X-Force: 100749 - file readelf.c code execution, Medium Risk
Vulnerability Center: 56872 - file before 5.22 and PHP Multiple Versions Remote Code Execution and DoS via a Crafted ELF File, High
SecurityFocus: 72516 - file 'readelf.c' Out-of-Bounds Read Vulnerability

Misc.: 🔍
See also: 🔍


Created: 02/10/2015 10:20 AM
Updated: 03/09/2022 01:27 AM
Changes: 02/10/2015 10:20 AM (76), 08/24/2018 09:27 AM (8), 03/09/2022 01:19 AM (5), 03/09/2022 01:27 AM (1)
Complete: 🔍


No comments yet. Languages: en.

Please log in to comment.

Do you know our Splunk app?

Download it now for free!