DConnect DConnect Daemon up to 0.7.0 cmd.dc.c dc_chat null pointer dereference
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.8 | $0-$5k | 0.00 |
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.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
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Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
08/06/2006 🔍08/07/2006 🔍
08/07/2006 🔍
08/14/2006 🔍
08/14/2006 🔍
08/14/2006 🔍
03/12/2015 🔍
09/22/2017 🔍
Sources
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: 🔍
Entry
Created: 03/12/2015 15:51Updated: 09/22/2017 11:14
Changes: 03/12/2015 15:51 (54), 09/22/2017 11:14 (14)
Complete: 🔍
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