3com OfficeConnect Remote 812 ADSL Router 1.1.9.4 denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in 3com OfficeConnect Remote 812 ADSL Router 1.1.9.4. Affected by this issue is some unknown functionality. The manipulation results in denial of service. This vulnerability is reported as CVE-2004-0476. The attack can be launched remotely. No exploit exists. Applying restrictive firewalling is recommended.

Detailsinfo

A vulnerability was found in 3com OfficeConnect Remote 812 ADSL Router 1.1.9.4 (Router Operating System). It has been classified as critical. Affected is an unknown function. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

Buffer overflow in 3Com OfficeConnect Remote 812 ADSL Router 1.1.9.4 allows remote attackers to cause a denial of service (reboot or packet loss) via a long string containing Telnet escape characters to the Telnet port.

The bug was discovered 05/24/2004. The weakness was disclosed 05/26/2004 by Rafel Ivgi (The Insider) with iDEFENSE (Website). The advisory is shared for download at idefense.com. This vulnerability is traded as CVE-2004-0476 since 05/17/2004. 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. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 23 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at support.3com.com.It is possible to mitigate the weakness by firewalling . The best possible mitigation is suggested to be applying a restrictive firewalling.

The vulnerability is also documented in the databases at X-Force (16257), SecurityFocus (BID 10419†), OSVDB (6424†) and Secunia (SA11716†). Further details are available at heise.de. The entry VDB-676 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Upgrade: OfficeConnect Remote 812 ADSL Router 23
Patch: support.3com.com

Timelineinfo

05/17/2004 🔍
05/24/2004 +7 days 🔍
05/26/2004 +2 days 🔍
05/26/2004 +0 days 🔍
05/26/2004 +0 days 🔍
06/01/2004 +5 days 🔍
08/18/2004 +78 days 🔍
06/28/2019 +5427 days 🔍

Sourcesinfo

Vendor: 3com.com

Advisory: idefense.com⛔
Researcher: Rafel Ivgi (The Insider)
Organization: iDEFENSE
Status: Not defined

CVE: CVE-2004-0476 (🔍)
GCVE (CVE): GCVE-0-2004-0476
GCVE (VulDB): GCVE-100-672
X-Force: 16257 - 3Com OfficeConnect Telnet escape sequence buffer overflow, Low Risk
SecurityFocus: 10419 - 3Com OfficeConnect Remote 812 ADSL Router Telnet Buffer Overflow Vulnerability
Secunia: 11716 - 3Com OfficeConnect 812 ADSL Router Multiple Vulnerabilities, Moderately Critical
OSVDB: 6424 - 3Com OfficeConnect 812 ADSL Router Telnet Protocol DoS
SecuriTeam: securiteam.com

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 06/01/2004 12:03
Updated: 06/28/2019 14:22
Changes: 06/01/2004 12:03 (78), 06/28/2019 14:22 (2)
Complete: 🔍
Cache ID: 216:E8F:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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