National Cyber-Alert System
Vulnerability Summary for CVE-2004-1002
Original release date:03/01/2005
Last revised:09/05/2008
Source:
US-CERT/NIST
Overview
Integer underflow in pppd in cbcp.c for ppp 2.4.1 allows remote attackers to cause a denial of service (daemon crash) via a CBCP packet with an invalid length value that causes pppd to access an incorrect memory location.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
- Official Statement from Red Hat (08/30/2006)
-
This issue is only will only cause a denial of service on the connection the attacker is using. It therefore is not a security issue.
References to Advisories, Solutions, and Tools
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External Source: XF
Name: ppp-ccp-headers-dos(17874)
Type: Advisory
External Source: BUGTRAQ
Name: 20041026 pppd out of bounds memory access, possible DOS
External Source: UBUNTU
Name: USN-12-1