NullSoft WinAmp up to 2.59 gen_ff.dll numeric error

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.
9.5$0-$5k0.00

Summaryinfo

A vulnerability was found in NullSoft WinAmp up to 2.59. It has been rated as critical. The impacted element is an unknown function in the library gen_ff.dll. Performing a manipulation results in numeric error. This vulnerability was named CVE-2009-1831. The attack may be initiated remotely. In addition, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in NullSoft WinAmp up to 2.59 (Multimedia Player Software). It has been classified as very critical. This affects an unknown function in the library gen_ff.dll. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The Nullsoft Modern Skins Support module (gen_ff.dll) in Nullsoft Winamp before 5.552 allows remote attackers to execute arbitrary code via a crafted MAKI file, which triggers an incorrect sign extension, an integer overflow, and a stack-based buffer overflow.

The weakness was presented 05/29/2009 (Website). It is possible to read the advisory at milw0rm.com. This vulnerability is uniquely identified as CVE-2009-1831 since 05/29/2009. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/10/2025).

A public exploit has been developed in ANSI C. The exploit is shared for download at securityfocus.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 38858 (Winamp < 5.552 Modern Skins Support Module (gen_ff.dll) MAKI File Handling Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 121533 (Nullsoft Winamp 'gen_ff.dll' Buffer Overflow Vulnerability).

Upgrading to version 2.60 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (50664), Tenable (38858), SecurityFocus (BID 35052†) and Vulnerability Center (SBV-22166†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Support

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 38858
Nessus Name: Winamp < 5.552 Modern Skins Support Module (gen_ff.dll) MAKI File Handling Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 900552
OpenVAS Name: Winamp gen_ff.dll Buffer Overflow Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: winamp_maki_bof.rb
MetaSploit Name: Winamp MAKI Buffer Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WinAmp 2.60
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

05/20/2009 🔍
05/20/2009 +0 days 🔍
05/22/2009 +2 days 🔍
05/25/2009 +3 days 🔍
05/29/2009 +4 days 🔍
05/29/2009 +0 days 🔍
05/29/2009 +0 days 🔍
03/17/2015 +2118 days 🔍
04/10/2025 +3677 days 🔍

Sourcesinfo

Vendor: nullsoft.com

Advisory: milw0rm.com⛔
Status: Confirmed

CVE: CVE-2009-1831 (🔍)
GCVE (CVE): GCVE-0-2009-1831
GCVE (VulDB): GCVE-100-48363

OVAL: 🔍

X-Force: 50664
SecurityFocus: 35052 - Nullsoft Winamp 'gen_ff.dll' Buffer Overflow Vulnerability
Vulnerability Center: 22166 - Nullsoft Winamp 5.552 and Prior Buffer Overflow Remote Code Execution or DoS Vulnerability, High

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

Entryinfo

Created: 03/17/2015 23:38
Updated: 04/10/2025 15:38
Changes: 03/17/2015 23:38 (67), 04/21/2019 20:43 (13), 08/11/2021 12:10 (2), 08/11/2021 12:17 (1), 11/30/2024 09:04 (18), 04/10/2025 15:38 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!