Yahoo! Messenger 8.1.0.413 ActiveX Control yverinfo.dll fvCom memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Yahoo! Messenger 8.1.0.413. This impacts the function fvCom in the library yverinfo.dll of the component ActiveX Control. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2007-4515. Moreover, an exploit is present. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Yahoo! Messenger 8.1.0.413 (Messaging Software) and classified as very critical. This issue affects the function fvCom in the library yverinfo.dll of the component ActiveX Control. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in a certain ActiveX control in YVerInfo.dll before 2007.8.27.1 in the Yahoo! services suite for Yahoo! Messenger before 8.1.0.419 allows remote attackers to execute arbitrary code via unspecified vectors involving arguments to the (1) fvCom and (2) info methods. NOTE: some of these details are obtained from third party information.

The bug was discovered 08/29/2007. The weakness was disclosed 08/29/2007 with iDEFENSE (Website). The advisory is shared at secunia.com. The identification of this vulnerability is CVE-2007-4515 since 08/23/2007. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/07/2025).

The exploit is available at securityfocus.com. It is declared as highly functional. The vulnerability scanner Nessus provides a plugin with the ID 25955 (Yahoo! Messenger YVerInfo ActiveX Buffer Overflows), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115622 (Yahoo! Messenger YVerInfo.dll ActiveX Control Buffer Overflow Vulnerability).

Upgrading to version 8.1.0.413 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 12384. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 5624.

The vulnerability is also documented in the databases at X-Force (36363), Tenable (25955), SecurityFocus (BID 25494†), OSVDB (37739†) and Secunia (SA26579†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 25955
Nessus Name: Yahoo! Messenger YVerInfo ActiveX Buffer Overflows
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: yahoomessenger_fvcom.rb
MetaSploit Name: Yahoo! Messenger YVerInfo.dll ActiveX Control Buffer Overflow
MetaSploit File: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Messenger 8.1.0.413

Snort ID: 12384
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

08/23/2007 🔍
08/29/2007 +6 days 🔍
08/29/2007 +0 days 🔍
08/29/2007 +0 days 🔍
08/29/2007 +0 days 🔍
08/30/2007 +1 days 🔍
08/30/2007 +0 days 🔍
08/30/2007 +0 days 🔍
08/30/2007 +0 days 🔍
08/30/2007 +0 days 🔍
08/31/2007 +0 days 🔍
09/02/2007 +2 days 🔍
03/16/2015 +2752 days 🔍
06/07/2025 +3736 days 🔍

Sourcesinfo

Vendor: yahoo.com

Advisory: secunia.com⛔
Organization: iDEFENSE
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-4515 (🔍)
GCVE (CVE): GCVE-0-2007-4515
GCVE (VulDB): GCVE-100-38597
X-Force: 36363
SecurityFocus: 25494 - Yahoo! Messenger YVerInfo.DLL ActiveX Control Multiple Buffer Overflow Weaknesses
Secunia: 26579
OSVDB: 37739 - Yahoo! Messenger ActiveX (YVerInfo.dll) Multiple Method Arbitrary Code Execution
SecurityTracker: 1018628
Vulnerability Center: 15966 - Yahoo! Messenger YVerInfo.DLL ActiveX Control Buffer Overflows Allow Remote Code Execution, Medium
Vupen: ADV-2007-3011

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

Entryinfo

Created: 03/16/2015 12:18
Updated: 06/07/2025 18:17
Changes: 03/16/2015 12:18 (94), 07/25/2019 10:12 (1), 06/07/2025 18:17 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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