FlashFXP 4.2 FlashFXP.exe 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.
9.4$0-$5k0.00

A vulnerability, which was classified as critical, was found in FlashFXP 4.2. Affected is an unknown code of the file FlashFXP.exe. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Multiple buffer overflows in FlashFXP.exe in FlashFXP 4.2 allow remote authenticated users to execute arbitrary code via a long unicode string to (1) TListbox or (2) TComboBox.

The weakness was released 09/19/2012 by Benjamin Kunz Mejri (Website). The advisory is available at archives.neohapsis.com. This vulnerability is traded as CVE-2012-4992 since 09/19/2012. The exploitability is told to be easy. It is possible to launch the attack remotely. A authentication is needed for exploitation. Technical details and a public exploit are known.

A public exploit has been developed by Vulnerability-Lab and been published even before and not after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 143 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 60111 (FlashFXP < 4.2.0.1730 ListIndex TListBox Handling Remote Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (73626), Tenable (60111) and Exploit-DB (18555).

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 9.9
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.9
VulDB Temp Score: 9.4
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: 🔍
Access: Public
Status: Proof-of-Concept
Author: Vulnerability-Lab
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 60111
Nessus Name: FlashFXP < 4.2.0.1730 ListIndex TListBox Handling Remote Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802965
OpenVAS Name: FlashFXP Multiple Buffer Overflow Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/01/2012 🔍
03/02/2012 +1 days 🔍
03/03/2012 +1 days 🔍
03/03/2012 +0 days 🔍
07/24/2012 +143 days 🔍
09/19/2012 +57 days 🔍
09/19/2012 +0 days 🔍
09/19/2012 +0 days 🔍
09/24/2012 +5 days 🔍
03/24/2015 +911 days 🔍
12/14/2021 +2457 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Benjamin Kunz Mejri
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-4992 (🔍)
X-Force: 73626
Vulnerability Center: 36212 - FlashFXP 4.1.8.1701 Multiple Buffer Overflow Vulnerabilities Allow Remote Code Execution, High
SecurityFocus: 52259 - FlashFXP Multiple Buffer Overflow Vulnerabilities
OSVDB: 79767

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/14/2021 08:30
Changes: 03/24/2015 12:22 (57), 04/17/2017 11:19 (19), 12/14/2021 08:30 (3)
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!