Microsoft Internet Explorer 7 HeartbeatCtl ActiveX Control HRTBEAT.OCX Host memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Microsoft Internet Explorer 7. This impacts an unknown function in the library HRTBEAT.OCX of the component HeartbeatCtl ActiveX Control. The manipulation of the argument Host leads to memory corruption. This vulnerability is referenced as CVE-2007-6255. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Internet Explorer 7 (Web Browser). This issue affects an unknown code in the library HRTBEAT.OCX of the component HeartbeatCtl ActiveX Control. The manipulation of the argument Host 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 the Microsoft HeartbeatCtl ActiveX control in HRTBEAT.OCX allows remote attackers to execute arbitrary code via the Host argument to an unspecified method.

The issue has been introduced in 07/27/2005. The weakness was published 04/23/2008 by Will Dormann with CERT/CC as confirmed advisory (CERT.org). It is possible to read the advisory at kb.cert.org. The identification of this vulnerability is CVE-2007-6255. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 867 days. During that time the estimated underground price was around $25k-$100k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 100054 (Cumulative Security Update for Internet Explorer (MS07-069)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (41940), SecurityFocus (BID 28882†), OSVDB (44652†) and Vulnerability Center (SBV-30917†). Similar entries are available at VDB-3506, VDB-3509, VDB-3507 and VDB-3508. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.1
VulDB Temp Score: 6.8
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: 🔍
Status: Not defined

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/27/2005 🔍
12/05/2007 +860 days 🔍
12/11/2007 +6 days 🔍
04/21/2008 +132 days 🔍
04/21/2008 +0 days 🔍
04/23/2008 +2 days 🔍
04/23/2008 +0 days 🔍
04/29/2008 +6 days 🔍
04/06/2011 +1071 days 🔍
03/16/2015 +1440 days 🔍
01/05/2025 +3583 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: kb.cert.org
Researcher: Will Dormann
Organization: CERT/CC
Status: Confirmed

CVE: CVE-2007-6255 (🔍)
GCVE (CVE): GCVE-0-2007-6255
GCVE (VulDB): GCVE-100-42095
CERT: 🔍
X-Force: 41940
SecurityFocus: 28882 - Microsoft 'HeartbeatCtl' ActiveX Control Remote Buffer Overflow Vulnerability
OSVDB: 44652 - Microsoft HeartbeatCtl HRTBEAT.OCX ActiveX Unspecified Method Host Argument Overflow
Vulnerability Center: 30917 - Microsoft HeartbeatCtl ActiveX control Remote Buffer Overflow Vulnerability via the Host Argument, Critical

See also: 🔍

Entryinfo

Created: 03/16/2015 17:00
Updated: 01/05/2025 18:52
Changes: 03/16/2015 17:00 (61), 04/07/2017 12:18 (12), 07/31/2021 19:23 (2), 01/05/2025 18:52 (15)
Complete: 🔍
Cache ID: 216:0D4:103

Be aware that VulDB is the high quality source for vulnerability data.

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