xinetd up to 2.3.10 Connection memory leak

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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.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in xinetd up to 2.3.10. This affects an unknown part of the component Connection Handler. This manipulation causes memory leak. This vulnerability is tracked as CVE-2003-0211. Moreover, an exploit is present. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in xinetd up to 2.3.10 (Multimedia Player Software) and classified as problematic. Affected by this vulnerability is some unknown functionality of the component Connection Handler. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. The summary by CVE is:

Memory leak in xinetd 2.3.10 allows remote attackers to cause a denial of service (memory consumption) via a large number of rejected connections.

The bug was discovered 04/16/2003. The weakness was disclosed 05/05/2003 by Steve Grubb (LINUX) as not defined posting (Bugtraq). It is possible to read the advisory at marc.theaimsgroup.com. This vulnerability is known as CVE-2003-0211 since 04/15/2003. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 19 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 14040 (Mandrake Linux Security Advisory : xinetd (MDKSA-2003:056)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (11802), Exploit-DB (22508), Tenable (14040), SecurityFocus (BID 7382†) and OSVDB (12125†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Multimedia Player Software

Name

xinetd

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 14040
Nessus Name: Mandrake Linux Security Advisory : xinetd (MDKSA-2003:056)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

04/15/2003 🔍
04/16/2003 +1 days 🔍
04/18/2003 +2 days 🔍
04/18/2003 +0 days 🔍
05/05/2003 +17 days 🔍
05/05/2003 +0 days 🔍
05/14/2003 +9 days 🔍
07/31/2004 +444 days 🔍
06/04/2009 +1769 days 🔍
08/11/2014 +1894 days 🔍
10/20/2024 +3723 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Researcher: Steve Grubb (LINUX)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2003-0211 (🔍)
GCVE (CVE): GCVE-0-2003-0211
GCVE (VulDB): GCVE-100-20407

OVAL: 🔍

X-Force: 11802
SecurityFocus: 7382 - Xinetd Rejected Connection Memory Leakage Denial Of Service Vulnerability
OSVDB: 12125 - xinetd rejected connections denial of service
Vulnerability Center: 22327 - Xinetd 2.3.10 Memory Leak Allows Remote DoS via a Large Number of Rejected Connections, Medium

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

Entryinfo

Created: 08/11/2014 23:44
Updated: 10/20/2024 09:04
Changes: 08/11/2014 23:44 (72), 09/05/2019 11:23 (6), 10/20/2024 09:04 (25)
Complete: 🔍
Cache ID: 216::103