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Test ID:1.3.6.1.4.1.25623.1.0.11517
Category:General
Title:Leafnode denials of service
Summary:According to its version number in the banner; the Leafnode NNTP server is vulnerable to a denial of service.
Description:Summary:
According to its version number in the banner
the Leafnode NNTP server is vulnerable to a denial of service.

Vulnerability Impact:
The service may:

- go into an infinite loop with 100% CPU use when an article that has been crossposted to
several groups, one of which is the prefix of another, and when this article is then requested
by its Message-ID.

- hang without consuming CPU while waiting for data that never come.

Solution:
Update to version 1.9.48 or later.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P

Cross-Ref: BugTraq ID: 6490
Common Vulnerability Exposure (CVE) ID: CVE-2002-1661
http://www.securityfocus.com/bid/6490
Bugtraq: 20021229 Leafnode security announcement SA:2002:01 (Google Search)
http://marc.info/?l=bugtraq&m=104127108823436&w=2
Bugtraq: 20030102 GLSA: leafnode (Google Search)
http://marc.info/?l=bugtraq&m=104152295210075&w=2
http://www.mandriva.com/security/advisories?name=MDKSA-2003:005
http://www.securitytracker.com/id?1005865
http://secunia.com/advisories/7799
http://secunia.com/advisories/7801
http://secunia.com/advisories/7870
XForce ISS Database: leafnode-nntp-dos(10942)
https://exchange.xforce.ibmcloud.com/vulnerabilities/10942
CopyrightCopyright (C) 2003 Michel Arboi

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