National Cyber-Alert System
Vulnerability Summary for CVE-2005-0468
Original release date:05/02/2005
Last revised:09/10/2008
Source:
US-CERT/NIST
Overview
Heap-based buffer overflow in the env_opt_add function in telnet.c for various BSD-based Telnet clients allows remote attackers to execute arbitrary code via responses that contain a large number of characters that require escaping, which consumers more memory than allocated.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Provides user account access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
- Official Statement from Red Hat (03/14/2007)
-
Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.
References to Advisories, Solutions, and Tools
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US-CERT Vulnerability Note: VU#341908
Name: VU#341908
External Source: REDHAT
Name: RHSA-2005:330
Type: Advisory; Patch Information
External Source: REDHAT
Name: RHSA-2005:327
Type: Advisory; Patch Information
External Source: DEBIAN
Name: DSA-703
Type: Advisory; Patch Information
External Source: CONFIRM
Name: http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2005-001-telnet.txt
Type: Advisory; Patch Information
External Source: SGI
Name: 20050405-01-P
Type: Patch Information
External Source: UBUNTU
Name: USN-224-1
External Source: BID
Name: 12919
External Source: IDEFENSE
Name: 20050328 Multiple Telnet Client env_opt_add() Buffer Overflow Vulnerability
Type: Advisory
External Source: DEBIAN
Name: DSA-731
External Source: SUNALERT
Name: 57761
External Source: SUNALERT
Name: 57755
External Source: SUNALERT
Name: 101671
External Source: SUNALERT
Name: 101665
External Source: SECUNIA
Name: 17899
External Source: SECUNIA
Name: 14745
External Source: CONECTIVA
Name: CLA-2005:962
External Source: FREEBSD
Name: FreeBSD-SA-05:01.telnet
Type: Advisory
External Source: MANDRAKE
Name: MDKSA-2005:061