809 : Multiple BSD Telnet telrcv Functin Remote Command Execution
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Timeline

Disclosure Date
2001-07-18

Description

A remote overflow exists in multiple BSD-based telnet daemons. The 'telrcv' function fails to perform proper bounds checking resulting in a buffer overflow. With a specially crafted request, a remote attacker can cause arbitrary code execution resulting in a loss of integrity.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity

Solution

Contact your vendor for an appropriate upgrade. An upgrade is required as there are no known workarounds.

Products

Cisco Systems, Inc.
CatOS
Unknown or Unspecified
VPN Concentrator 3000 series
Unknown or Unspecified
Apple Inc.
Mac OS X
10.1
SCO Group, Inc.
OpenLinux Server
3.1
OpenLinux Workstation
3.1
OpenLinux eServer
2.3.1
Open Linux
2.3
OpenLinux eDesktop
2.4
Software in the Public Interest, Inc.
Linux
2.2
The FreeBSD Project
FreeBSD
3.x
4.3-STABLE
Gentoo Foundation, Inc.
Gentoo Linux
Unknown or Unspecified
Hewlett-Packard Development Company, L.P.
HP-UX
10.01
10.10
10.20
10.24
IBM Corporation
AIX
5.1
4.3.x
MIT
krb5
1.2.2
MandrakeSoft
Corporate Server
1.0.1
Mandrake Linux
8.0
7.2
7.1
Single Network Firewall
7.2
Red Hat, Inc.
Red Hat Linux
7.1
7.0
6.2
5.2
Silicon Graphics, Inc.
IRIX
6.5.1
6.5.2
6.5.3
6.5.4
6.5.5
6.5.6
6.5.7
6.5.8
6.5.9
6.5.10
6.5.11
6.5.12
6.5.13
Conectiva
Linux
7.0
6.0
5.1
5.0
4.2
4.1
4.0es
4.0
Novell, Inc.
SUSE LINUX
6.1
6.2
6.3
6.4
7.0
7.1
7.2

References

Tools & Filters

10709 10986 14907 14912

Snort

1252 1253

Credit

  • scut - scutnb.in-berlin.de -

CVSSv2 Score

CVSSv2 Base Score = 10.0
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_2 Integrity_impact_2 Availability_impact_2

Comments

No Comments.

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