Yahoo! Yahoo Assistant up to 3.6 ActiveX Control ynotifier.dll resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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

Summaryinfo

A vulnerability, which was classified as critical, was found in Yahoo! Yahoo Assistant up to 3.6. The affected element is an unknown function in the library ynotifier.dll of the component ActiveX Control. Executing a manipulation can lead to resource management. This vulnerability appears as CVE-2008-2111. There is no available exploit.

Detailsinfo

A vulnerability has been found in Yahoo! Yahoo Assistant up to 3.6 and classified as very critical. This vulnerability affects some unknown functionality in the library ynotifier.dll of the component ActiveX Control. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The ActiveX Control (yNotifier.dll) in Yahoo! Assistant 3.6 and earlier allows remote attackers to execute arbitrary code via unspecified vectors in the Ynoifier COM object that trigger memory corruption.

The bug was discovered 05/06/2008. The weakness was presented 05/07/2008 by Sowhat (Website). The advisory is shared for download at xforce.iss.net. This vulnerability was named CVE-2008-2111 since 05/07/2008. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 05/31/2025).

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 115861 (Yahoo! Assistant yNotifier.dll ActiveX Control Memory Corruption 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 (42233), SecurityFocus (BID 29065†), OSVDB (44852†), Secunia (SA30115†) and SecurityTracker (ID 1020004†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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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: 9.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.4
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: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
ISS Proventia IPS: 🔍

Timelineinfo

05/06/2008 🔍
05/06/2008 +0 days 🔍
05/06/2008 +0 days 🔍
05/07/2008 +1 days 🔍
05/07/2008 +0 days 🔍
05/07/2008 +0 days 🔍
05/12/2008 +5 days 🔍
07/28/2008 +77 days 🔍
03/16/2015 +2422 days 🔍
05/31/2025 +3729 days 🔍

Sourcesinfo

Vendor: yahoo.com

Advisory: xforce.iss.net
Researcher: Sowhat
Status: Confirmed

CVE: CVE-2008-2111 (🔍)
GCVE (CVE): GCVE-0-2008-2111
GCVE (VulDB): GCVE-100-42268
X-Force: 42233
SecurityFocus: 29065 - Yahoo! Assistant 'yNotifier.dll' ActiveX Control Memory Corruption Vulnerability
Secunia: 30115
OSVDB: 44852 - Yahoo! - Assistant - 'yNotifier.dll' ActiveX Control Memory Corruption Issue
SecurityTracker: 1020004
Vulnerability Center: 18949 - Yahoo! Assistant ActiveX Control Vulnerability Allows DoS or Code Execution, Medium
Vupen: ADV-2008-1471

Entryinfo

Created: 03/16/2015 17:00
Updated: 05/31/2025 19:13
Changes: 03/16/2015 17:00 (60), 08/14/2019 22:52 (10), 05/31/2025 19:13 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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