ISS RealSecure 7.0epk SMB MailSlot Packet resource management

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.
6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in ISS RealSecure 7.0epk and classified as critical. This vulnerability affects unknown code of the component SMB Handler. The manipulation as part of MailSlot Packet results in resource management. This vulnerability is reported as CVE-2006-3840. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in ISS RealSecure 7.0epk. Affected is an unknown code of the component SMB Handler. The manipulation as part of a MailSlot Packet leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. CVE summarizes:

The SMB Mailslot parsing functionality in PAM in multiple ISS products with XPU (24.39/1.78/epj/x.x.x.1780), including Proventia A, G, M, Server, and Desktop, BlackICE PC and Server Protection 3.6, and RealSecure 7.0, allows remote attackers to cause a denial of service (infinite loop) via a crafted SMB packet that is not properly handled by the SMB_Mailslot_Heap_Overflow decode.

The bug was discovered 07/24/2006. The weakness was disclosed 07/27/2006 by Chen Qing with NSFocus (Website). The advisory is shared for download at xforce.iss.net. This vulnerability is traded as CVE-2006-3840 since 07/25/2006. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at iss.net. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (27965), SecurityFocus (BID 19178†), OSVDB (27550†), Secunia (SA21219†) and SecurityTracker (ID 1016592†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: iss.net

Timelineinfo

07/24/2006 🔍
07/25/2006 +1 days 🔍
07/26/2006 +1 days 🔍
07/27/2006 +1 days 🔍
07/27/2006 +0 days 🔍
07/27/2006 +0 days 🔍
07/27/2006 +0 days 🔍
07/27/2006 +0 days 🔍
07/27/2006 +0 days 🔍
07/28/2006 +0 days 🔍
08/17/2006 +20 days 🔍
06/24/2019 +4694 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Researcher: Chen Qing
Organization: NSFocus
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-3840 (🔍)
GCVE (CVE): GCVE-0-2006-3840
GCVE (VulDB): GCVE-100-2412
X-Force: 27965 - Internet Security Systems PAM SMB mailslot dos, Low Risk
SecurityFocus: 19178 - Internet Security Systems SMB Mailslot Parsing Denial of Service Vulnerability
Secunia: 21219 - RealSecure/BlackICE MailSlot Overflow Detection Denial of Service, Less Critical
OSVDB: 27550 - RealSecure/BlackICE MailSlot Overflow Detection Crafted Packet Remote DoS
SecurityTracker: 1016592
Vulnerability Center: 12531 - Multiple ISS Products Remote Denial of Service via Crafted SMB Packet, Medium
Vupen: ADV-2006-2996

Entryinfo

Created: 07/28/2006 15:49
Updated: 06/24/2019 11:30
Changes: 07/28/2006 15:49 (87), 06/24/2019 11:30 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source 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!