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CERT Coordination Center


ISC InterNetNews (INN) innfeed contains buffer overflow

Vulnerability Note VU#943536

Original Release Date: 2001-09-05 | Last Revised: 2001-09-05

Overview

A locally exploitable buffer overflow exists in ISC InterNetNews.

Description

InterNetNews is a Usenet/Netnews news server supported by the Internet Software Consortium and volunteers. Innfeed is a component of InterNetNews that implements the NNTP protocol for transerring news between hosts. A locally exploitable buffer overflow exists in Innfeed that could allow a local intruder to overflow a buffer by passing it extremely long command-line arguments. This vulnerability affects versions of INN prior to INN 2.3.0.

Impact

An intruder can execute arbitrary code on the target system as the user running InterNetNews, typically news.

Solution

Upgrade INN to 2.3.0, which includes a rewritten startinnfeed utility.

Vendor Information

943536
Expand all

ISC

Notified:  April 18, 2001 Updated:  September 04, 2001

Status

  Vulnerable

Vendor Statement

ISC recommends that users upgrade INN to 2.3.0, which features a rewritten startinnfeed utility.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us email.


CVSS Metrics

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A

References

Credit

This vulnerability was discovered by Enrique A. Sanchez Montellano <enrique.sanchez@defcom.com> and Alex Hernandez <alex.hernandez@defcom.com>.

This document was written by Ian A. Finlay and is based on information obtained from a Defcom Labs Advisory

Other Information

CVE IDs: None
Severity Metric: 7.03
Date Public: 2001-04-18
Date First Published: 2001-09-05
Date Last Updated: 2001-09-05 14:45 UTC
Document Revision: 41

Sponsored by the Department of Homeland Security Office of Cybersecurity and Communications.