Freedownloadmanager Free Download Manager up to 3.8 Downloads_Deleted.cpp UpdateDownload memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.4$0-$5k0.00

A vulnerability has been found in Freedownloadmanager Free Download Manager up to 3.8 and classified as very critical. Affected by this vulnerability is the function CDownloads_Deleted::UpdateDownload of the file Downloads_Deleted.cpp. 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 confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in the CDownloads_Deleted::UpdateDownload function in Downloads_Deleted.cpp in Free Download Manager 3.9.3 build 1360, 3.8 build 1173, 3.0 build 852, and earlier allows user-assisted remote attackers to execute arbitrary code via a long file name, which is then deleted from the download queue by the user.

The weakness was presented 03/18/2014 by Julien Ahrens (Website). It is possible to read the advisory at rcesecurity.com. This vulnerability is known as CVE-2014-2087 since 02/24/2014. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 12/20/2024).

A public exploit has been developed by Julien Ahrens in Python and been published before and not just after the advisory. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121848 (Free Download Manager CDownloads_Deleted::UpdateDownload() Buffer Overflow Vulnerability).

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 (91894), Exploit-DB (32332), SecurityFocus (BID 66211†) and Vulnerability Center (SBV-43749†).

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Julien Ahrens
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/24/2014 🔍
03/13/2014 +17 days 🔍
03/13/2014 +0 days 🔍
03/17/2014 +4 days 🔍
03/17/2014 +0 days 🔍
03/18/2014 +1 days 🔍
03/18/2014 +0 days 🔍
03/26/2014 +8 days 🔍
03/24/2015 +363 days 🔍
12/20/2024 +3559 days 🔍

Sourcesinfo

Advisory: rcesecurity.com
Researcher: Julien Ahrens
Status: Confirmed

CVE: CVE-2014-2087 (🔍)
X-Force: 91894
SecurityFocus: 66211 - Free Download Manager 'Downloads_Deleted.cpp' Stack Based Buffer Overflow Vulnerability
Vulnerability Center: 43749 - Free Download Manager 3.0, 3.8, 3.9.3 Remote Code Execution Vulnerability via Long File Name, Critical

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

Entryinfo

Created: 03/24/2015 03:54 PM
Updated: 12/20/2024 01:22 AM
Changes: 03/24/2015 03:54 PM (56), 05/24/2017 09:18 AM (11), 07/02/2024 08:38 PM (16), 12/20/2024 01:22 AM (2)
Complete: 🔍
Cache ID: 18:E29:40

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