Yahoo! Toolbar 2006.8.15.1 ActiveX Control yshortcut.dll 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.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Yahoo! Toolbar 2006.8.15.1. It has been rated as critical. Impacted is an unknown function in the library yshortcut.dll of the component ActiveX Control. This manipulation causes memory corruption. This vulnerability appears as CVE-2007-6535. There is no available exploit.

Detailsinfo

A vulnerability has been found in Yahoo! Toolbar 2006.8.15.1 and classified as critical. Affected by this vulnerability is an unknown function in the library yshortcut.dll of the component ActiveX Control. 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:

Buffer overflow in the YShortcut ActiveX control in YShortcut.dll 2006.8.15.1 in Yahoo! Toolbar might allow attackers to execute arbitrary code via a long string to the IsTaggedBM method.

The weakness was presented 12/27/2007 by Elazar Broad (Website). It is possible to read the advisory at xforce.iss.net. This vulnerability is known as CVE-2007-6535. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 8978.

The vulnerability is also documented in the databases at X-Force (39155), SecurityFocus (BID 26956†) and Vulnerability Center (SBV-30932†). See VDB-40244 for similar entry. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Yahoo!

Name

Toolbar

Version

2006.8.15.1

License

free

Website

Vendor: https://www.yahoo.com/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

12/19/2007 🔍
12/20/2007 +1 days 🔍
12/27/2007 +6 days 🔍
12/27/2007 +0 days 🔍
12/27/2007 +0 days 🔍
04/07/2011 +1197 days 🔍
03/16/2015 +1439 days 🔍
07/30/2021 +2328 days 🔍

Sourcesinfo

Vendor: yahoo.com

Advisory: xforce.iss.net
Researcher: Elazar Broad
Status: Not defined

CVE: CVE-2007-6535 (🔍)
GCVE (CVE): GCVE-0-2007-6535
GCVE (VulDB): GCVE-100-40243
X-Force: 39155
SecurityFocus: 26956 - Yahoo! Toolbar YShortcut.dl ActiveX Control Remote Buffer Overflow Vulnerability
Vulnerability Center: 30932 - Yahoo! Toolbar 1.4.1 Remote Arbitrary Code Execution Vulnerability via the IsTaggedBM Method, High

See also: 🔍

Entryinfo

Created: 03/16/2015 13:43
Updated: 07/30/2021 09:27
Changes: 03/16/2015 13:43 (52), 03/20/2017 09:33 (10), 07/30/2021 09:27 (3)
Complete: 🔍
Cache ID: 216::103

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