Ypserv NIS Server up to 2.6 TCP Client Request denial of service

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

Summaryinfo

A vulnerability categorized as problematic has been discovered in Ypserv NIS Server up to 2.6. Affected is an unknown function of the component TCP Client Request Handler. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2003-0251. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Ypserv NIS Server up to 2.6. This vulnerability affects an unknown functionality of the component TCP Client Request Handler. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:

ypserv NIS server before 2.7 allows remote attackers to cause a denial of service via a TCP client request that does not respond to the server, which causes ypserv to block.

The weakness was disclosed 07/24/2003 (Website). The advisory is available at redhat.com. This vulnerability was named CVE-2003-0251 since 05/06/2003. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 14055 (Mandrake Linux Security Advisory : ypserv (MDKSA-2003:072)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 68527 (NIS Server YPSERV Denial of Service Vulnerability).

Upgrading to version 2.7 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (12435), Tenable (14055), SecurityFocus (BID 8031†), Secunia (SA21112†) and SecurityTracker (ID 1016517†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

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: Denial of service
CWE: 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: 🔍

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Nessus ID: 14055
Nessus Name: Mandrake Linux Security Advisory : ypserv (MDKSA-2003:072)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NIS Server 2.7

Timelineinfo

02/04/2003 🔍
02/05/2003 +1 days 🔍
05/06/2003 +90 days 🔍
06/27/2003 +52 days 🔍
07/24/2003 +27 days 🔍
07/24/2003 +0 days 🔍
05/24/2004 +305 days 🔍
07/31/2004 +68 days 🔍
07/18/2006 +717 days 🔍
08/14/2014 +2949 days 🔍
08/21/2025 +4025 days 🔍

Sourcesinfo

Advisory: redhat.com
Status: Confirmed

CVE: CVE-2003-0251 (🔍)
GCVE (CVE): GCVE-0-2003-0251
GCVE (VulDB): GCVE-100-20602

OVAL: 🔍

X-Force: 12435
SecurityFocus: 8031 - Multiple Vendor NIS Server YPSERV Denial Of Service Vulnerability
Secunia: 21112
SecurityTracker: 1016517
Vulnerability Center: 4357 - DoS in Ypserv NIS Server via Unresponded TCP Requests, High
Vupen: ADV-2006-2873

Entryinfo

Created: 08/14/2014 18:16
Updated: 08/21/2025 13:59
Changes: 08/14/2014 18:16 (67), 05/21/2019 17:02 (8), 08/21/2025 13:59 (18)
Complete: 🔍
Cache ID: 216:EFD:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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