DConnect DConnect Daemon up to 0.7.0 cmd.dc.c dc_chat null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

A vulnerability classified as problematic has been found in DConnect DConnect Daemon up to 0.7.0. Affected is the function dc_chat of the file cmd.dc.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

The dc_chat function in cmd.dc.c in DConnect Daemon 0.7.0 and earlier allows remote attackers to cause a denial of service (application crash) by sending a client message before providing the nickname, which triggers a null pointer dereference.

The weakness was presented 08/14/2006 by Luigi Auriemma (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2006-4126 since 08/14/2006. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

It is declared as proof-of-concept.

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 vulnerability database at X-Force (28279). See 31789 and 31787 for similar entries.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
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CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept

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EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/06/2006 🔍
08/07/2006 +1 days 🔍
08/07/2006 +0 days 🔍
08/14/2006 +7 days 🔍
08/14/2006 +0 days 🔍
08/14/2006 +0 days 🔍
03/12/2015 +3132 days 🔍
09/22/2017 +925 days 🔍

Sourcesinfo

Advisory: securityfocus.com
Researcher: Luigi Auriemma
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-4126 (🔍)
X-Force: 28279 - DConnect Daemon dc_chat() denial of service
SecurityTracker: 1016641 - DConnect Daemon Format String and Buffer Overflow Flaws Let Remote Users Deny Service or Execute Arbitrary Code
SecurityFocus: 19370 - DConnect Daemon DC Chat Denial of Service Vulnerability
Secunia: 21384 - DConnect Daemon Multiple Vulnerabilities, Highly Critical
Vupen: ADV-2006-3181

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/12/2015 15:51
Updated: 09/22/2017 11:14
Changes: 03/12/2015 15:51 (54), 09/22/2017 11:14 (14)
Complete: 🔍

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