Multiple Vendor Telnet Client Env_opt_add Heap-Based Buffer Overflow Vulnerability

BID:12919

Info

Multiple Vendor Telnet Client Env_opt_add Heap-Based Buffer Overflow Vulnerability

Bugtraq ID: 12919
Class: Boundary Condition Error
CVE: CVE-2005-0468
Remote: Yes
Local: No
Published: Mar 28 2005 12:00AM
Updated: Feb 22 2007 06:56PM
Credit: Gael Delalleau is credited with the discovery of this issue.
Vulnerable: Ubuntu Ubuntu Linux 5.0 4 powerpc
Ubuntu Ubuntu Linux 5.0 4 i386
Ubuntu Ubuntu Linux 5.0 4 amd64
Trustix Secure Linux 2.2
Trustix Secure Linux 2.1
Trustix Secure Enterprise Linux 2.0
SuSE SUSE Linux Enterprise Server 8
SuSE SUSE Linux Enterprise Server 7
SuSE Linux Enterprise Server 9
SuSE Linux Desktop 1.0
SuSE Linux 8.1
SuSE Linux 8.0 i386
SuSE Linux 8.0
SuSE Linux 7.3 sparc
SuSE Linux 7.3 ppc
SuSE Linux 7.3 i386
SuSE Linux 7.3
SuSE Linux 7.2 i386
SuSE Linux 7.2
SuSE Linux 7.1 x86
SuSE Linux 7.1 sparc
SuSE Linux 7.1 ppc
SuSE Linux 7.1 alpha
SuSE Linux 7.1
SuSE Linux 7.0 sparc
SuSE Linux 7.0 ppc
SuSE Linux 7.0 i386
SuSE Linux 7.0 alpha
SuSE Linux 7.0
Sun SEAM 1.0.2
+ Sun Solaris 9_x86
+ Sun Solaris 9
Sun SEAM 1.0.1
Sun SEAM 1.0
Slackware Linux 10.1
Slackware Linux 10.0
Slackware Linux 9.1
Slackware Linux 9.0
Slackware Linux 8.1
Slackware Linux -current
SGI ProPack 3.0
SGI IRIX 6.5.27
SGI IRIX 6.5.26
SGI IRIX 6.5.25
SGI IRIX 6.5.24 m
SGI IRIX 6.5.24
SGI IRIX 6.5.23 m
SGI IRIX 6.5.23
SGI IRIX 6.5.22 m
SGI IRIX 6.5.22
SGI IRIX 6.5.21 m
SGI IRIX 6.5.21 f
SGI IRIX 6.5.21
SGI IRIX 6.5.20 m
SGI IRIX 6.5.20 f
SGI IRIX 6.5.20
SGI IRIX 6.5.19 m
SGI IRIX 6.5.19 f
SGI IRIX 6.5.19
SGI IRIX 6.5.18 m
SGI IRIX 6.5.18 f
SGI IRIX 6.5.18
SGI IRIX 6.5.17 m
SGI IRIX 6.5.17 f
SGI IRIX 6.5.17
SGI IRIX 6.5.16 m
SGI IRIX 6.5.16 f
SGI IRIX 6.5.16
SGI IRIX 6.5.15 m
SGI IRIX 6.5.15 f
SGI IRIX 6.5.15
SGI IRIX 6.5.14 m
SGI IRIX 6.5.14 f
SGI IRIX 6.5.14
SGI IRIX 6.5.13 m
SGI IRIX 6.5.13 f
SGI IRIX 6.5.13
SGI IRIX 6.5.12 m
SGI IRIX 6.5.12 f
SGI IRIX 6.5.12
SGI IRIX 6.5.11 m
SGI IRIX 6.5.11 f
SGI IRIX 6.5.11
SGI IRIX 6.5.10 m
SGI IRIX 6.5.10 f
SGI IRIX 6.5.10
SGI IRIX 6.5.9 m
SGI IRIX 6.5.9 f
SGI IRIX 6.5.9
SGI IRIX 6.5.8 m
SGI IRIX 6.5.8 f
SGI IRIX 6.5.8
SGI IRIX 6.5.7 m
SGI IRIX 6.5.7 f
SGI IRIX 6.5.7
SGI IRIX 6.5.6 m
SGI IRIX 6.5.6 f
SGI IRIX 6.5.6
SGI IRIX 6.5.5 m
SGI IRIX 6.5.5 f
SGI IRIX 6.5.5
SGI IRIX 6.5.4 m
SGI IRIX 6.5.4 f
SGI IRIX 6.5.4
SGI IRIX 6.5.3 m
SGI IRIX 6.5.3 f
SGI IRIX 6.5.3
SGI IRIX 6.5.2 m
SGI IRIX 6.5.2 f
SGI IRIX 6.5.2
SGI IRIX 6.5.1
SGI IRIX 6.5 20
SGI IRIX 6.5 .19m
SGI IRIX 6.5 .19f
SGI IRIX 6.5
SGI IRIX 6.4
SGI IRIX 6.3
SGI IRIX 6.2
SGI IRIX 6.1
SGI IRIX 6.0.1 XFS
SGI IRIX 6.0.1
SGI IRIX 6.0
SGI IRIX 5.3 XFS
SGI IRIX 5.3
SGI IRIX 5.2
SGI IRIX 5.1.1
SGI IRIX 5.1
SGI IRIX 5.0.1
SGI IRIX 5.0
SGI IRIX 4.0.5 IPR
SGI IRIX 4.0.5 H
SGI IRIX 4.0.5 G
SGI IRIX 4.0.5 F
SGI IRIX 4.0.5 E
SGI IRIX 4.0.5 D
SGI IRIX 4.0.5 A
SGI IRIX 4.0.5 (IOP)
SGI IRIX 4.0.5
SGI IRIX 4.0.4 T
SGI IRIX 4.0.4 B
SGI IRIX 4.0.4
SGI IRIX 4.0.3
SGI IRIX 4.0.2
SGI IRIX 4.0.1 T
SGI IRIX 4.0.1
SGI IRIX 4.0
SGI IRIX 3.3.3
SGI IRIX 3.3.2
SGI IRIX 3.3.1
SGI IRIX 3.3
SGI IRIX 3.2
SCO Unixware 7.1.4
SCO Unixware 7.1.3
SCO Unixware 7.1.1
SCO Open Server 5.0.7
SCO Open Server 5.0.6
S.u.S.E. Linux Personal 9.2 x86_64
S.u.S.E. Linux Personal 9.2
S.u.S.E. Linux Personal 9.1 x86_64
S.u.S.E. Linux Personal 9.1
S.u.S.E. Linux Personal 9.0 x86_64
S.u.S.E. Linux Personal 9.0
S.u.S.E. Linux Personal 8.2
S.u.S.E. Linux Enterprise Server for S/390 9.0
Redhat Linux 9.0 i386
Redhat Linux 7.3 i686
Redhat Linux 7.3 i386
Redhat Linux 7.3
Redhat Fedora Core1
Redhat Advanced Workstation for the Itanium Processor 2.1 IA64
Redhat Advanced Workstation for the Itanium Processor 2.1
Openwall Openwall GNU/*/Linux 1.1
Openwall Openwall GNU/*/Linux 1.0
Openwall Openwall GNU/*/Linux (Owl)-current
OpenBSD OpenBSD 3.6
OpenBSD OpenBSD 3.5
Netkit Linux Netkit 0.17.17
Netkit Linux Netkit 0.17
Netkit Linux Netkit 0.16
Netkit Linux Netkit 0.15
Netkit Linux Netkit 0.14
Netkit Linux Netkit 0.12
Netkit Linux Netkit 0.11
Netkit Linux Netkit 0.10
Netkit Linux Netkit 0.9
NetBSD NetBSD 2.0.2
NetBSD NetBSD 2.0.1
NetBSD NetBSD 2.0
MIT Kerberos 5 1.4
MIT Kerberos 5 1.3.6
+ Gentoo Linux
+ Redhat Fedora Core3
+ Redhat Fedora Core2
+ Redhat Fedora Core1
+ Trustix Secure Enterprise Linux 2.0
+ Trustix Secure Linux 2.2
+ Trustix Secure Linux 2.1
MIT Kerberos 5 1.3.5
MIT Kerberos 5 1.3.4
MIT Kerberos 5 1.3.3
MIT Kerberos 5 1.3.2
MIT Kerberos 5 1.3.1
MIT Kerberos 5 1.3 -alpha1
MIT Kerberos 5 1.3
MIT Kerberos 5 1.2.8
MIT Kerberos 5 1.2.7
MIT Kerberos 5 1.2.6
MIT Kerberos 5 1.2.5
MIT Kerberos 5 1.2.4
MIT Kerberos 5 1.2.3
MIT Kerberos 5 1.2.2 -beta1
MIT Kerberos 5 1.2.2
MIT Kerberos 5 1.2.1
MIT Kerberos 5 1.2
MIT Kerberos 5 1.1.1
- Redhat Linux 7.1 ia64
- Redhat Linux 7.1 i386
- Redhat Linux 7.1 alpha
- Redhat Linux 7.1
- Redhat Linux 7.0 i386
- Redhat Linux 7.0 alpha
- Redhat Linux 7.0
+ Redhat Linux 6.2 sparc
+ Redhat Linux 6.2 i386
+ Redhat Linux 6.2 alpha
+ Redhat Linux 6.2
MIT Kerberos 5 1.1
MIT Kerberos 5 1.0.8
MIT Kerberos 5 1.0.6
MIT Kerberos 5 1.0
Heimdal Heimdal 0.6.3
Heimdal Heimdal 0.6.2
Heimdal Heimdal 0.6.1
Heimdal Heimdal 0.6
Heimdal Heimdal 0.5.3
Heimdal Heimdal 0.5.2
Heimdal Heimdal 0.5.1
Heimdal Heimdal 0.5 .0
Gentoo Linux
FreeBSD FreeBSD 5.4 -PRERELEASE
FreeBSD FreeBSD 5.3 -STABLE
FreeBSD FreeBSD 5.3 -RELEASE
FreeBSD FreeBSD 5.3
FreeBSD FreeBSD 5.2.1 -RELEASE
FreeBSD FreeBSD 5.2 -RELENG
FreeBSD FreeBSD 5.2 -RELEASE
FreeBSD FreeBSD 5.2
FreeBSD FreeBSD 5.1 -RELENG
FreeBSD FreeBSD 5.1 -RELEASE/Alpha
FreeBSD FreeBSD 5.1 -RELEASE-p5
FreeBSD FreeBSD 5.1 -RELEASE
FreeBSD FreeBSD 5.1
FreeBSD FreeBSD 5.0 -RELENG
FreeBSD FreeBSD 5.0 -RELEASE-p14
FreeBSD FreeBSD 5.0 alpha
FreeBSD FreeBSD 5.0
FreeBSD FreeBSD 4.11 -STABLE
FreeBSD FreeBSD 4.10 -RELENG
FreeBSD FreeBSD 4.10 -RELEASE
FreeBSD FreeBSD 4.10
FreeBSD FreeBSD 4.9 -RELENG
FreeBSD FreeBSD 4.9 -PRERELEASE
FreeBSD FreeBSD 4.9
FreeBSD FreeBSD 4.8 -RELENG
FreeBSD FreeBSD 4.8 -RELEASE-p7
FreeBSD FreeBSD 4.8 -PRERELEASE
FreeBSD FreeBSD 4.8
FreeBSD FreeBSD 4.7 -STABLE
FreeBSD FreeBSD 4.7 -RELENG
FreeBSD FreeBSD 4.7 -RELEASE-p17
FreeBSD FreeBSD 4.7 -RELEASE
FreeBSD FreeBSD 4.7
FreeBSD FreeBSD 4.6.2
FreeBSD FreeBSD 4.6 -STABLE
FreeBSD FreeBSD 4.6 -RELENG
FreeBSD FreeBSD 4.6 -RELEASE-p20
FreeBSD FreeBSD 4.6 -RELEASE
FreeBSD FreeBSD 4.6
FreeBSD FreeBSD 4.5 -STABLEpre2002-03-07
FreeBSD FreeBSD 4.5 -STABLE
FreeBSD FreeBSD 4.5 -RELENG
FreeBSD FreeBSD 4.5 -RELEASE-p32
FreeBSD FreeBSD 4.5 -RELEASE
FreeBSD FreeBSD 4.5
FreeBSD FreeBSD 4.4 -STABLE
FreeBSD FreeBSD 4.4 -RELENG
FreeBSD FreeBSD 4.4 -RELENG
FreeBSD FreeBSD 4.4 -RELEASE-p42
FreeBSD FreeBSD 4.4
FreeBSD FreeBSD 4.3 -STABLE
FreeBSD FreeBSD 4.3 -RELENG
FreeBSD FreeBSD 4.3 -RELEASE-p38
FreeBSD FreeBSD 4.3 -RELEASE
FreeBSD FreeBSD 4.3
FreeBSD FreeBSD 4.2 -STABLEpre122300
FreeBSD FreeBSD 4.2 -STABLEpre050201
FreeBSD FreeBSD 4.2 -STABLE
FreeBSD FreeBSD 4.2 -RELEASE
FreeBSD FreeBSD 4.2
FreeBSD FreeBSD 4.1.1 -STABLE
FreeBSD FreeBSD 4.1.1 -RELEASE
FreeBSD FreeBSD 4.1.1
FreeBSD FreeBSD 4.1
FreeBSD FreeBSD 4.0 .x
FreeBSD FreeBSD 4.0 -RELENG
FreeBSD FreeBSD 4.0 alpha
FreeBSD FreeBSD 4.0
F5 BIG-IP 4.6.2
F5 BIG-IP 4.6
F5 BIG-IP 4.5.12
F5 BIG-IP 4.5.11
F5 BIG-IP 4.5.10
F5 BIG-IP 4.5.9
F5 BIG-IP 4.5.6
F5 BIG-IP 4.5
F5 BIG-IP 4.4
F5 BIG-IP 4.3
F5 BIG-IP 4.2
F5 BIG-IP 4.0
F5 3-DNS 4.6.2
F5 3-DNS 4.6
F5 3-DNS 4.5.12
F5 3-DNS 4.5.11
F5 3-DNS 4.5
F5 3-DNS 4.4
F5 3-DNS 4.3
F5 3-DNS 4.2
Debian Linux 3.0 sparc
Debian Linux 3.0 s/390
Debian Linux 3.0 ppc
Debian Linux 3.0 mipsel
Debian Linux 3.0 mips
Debian Linux 3.0 m68k
Debian Linux 3.0 ia-64
Debian Linux 3.0 ia-32
Debian Linux 3.0 hppa
Debian Linux 3.0 arm
Debian Linux 3.0 alpha
Avaya S8710 R2.0.1
Avaya S8710 R2.0.0
Avaya S8700 R2.0.1
Avaya S8700 R2.0.0
Avaya S8500 R2.0.1
Avaya S8500 R2.0.0
Avaya S8300 R2.0.1
Avaya S8300 R2.0.0
Avaya Modular Messaging (MSS) 2.0
Avaya Modular Messaging (MSS) 1.1
Avaya Modular Messaging S3400
Avaya MN100
Avaya Intuity LX
Avaya CVLAN
Avaya Converged Communications Server 2.0
Apple Mac OS X Server 10.3.8
Apple Mac OS X Server 10.3.7
Apple Mac OS X Server 10.3.6
Apple Mac OS X Server 10.3.5
Apple Mac OS X Server 10.3.4
Apple Mac OS X Server 10.3.3
Apple Mac OS X Server 10.3.2
Apple Mac OS X Server 10.3.1
Apple Mac OS X Server 10.3
Apple Mac OS X Server 10.2.8
Apple Mac OS X Server 10.2.7
Apple Mac OS X Server 10.2.6
Apple Mac OS X Server 10.2.5
Apple Mac OS X Server 10.2.4
Apple Mac OS X Server 10.2.3
Apple Mac OS X Server 10.2.2
Apple Mac OS X Server 10.2.1
Apple Mac OS X Server 10.2
Apple Mac OS X Server 10.1.5
Apple Mac OS X Server 10.1.4
Apple Mac OS X Server 10.1.3
Apple Mac OS X Server 10.1.2
Apple Mac OS X Server 10.1.1
Apple Mac OS X Server 10.1
Apple Mac OS X Server 10.0
Apple Mac OS X 10.3.8
Apple Mac OS X 10.3.7
Apple Mac OS X 10.3.6
Apple Mac OS X 10.3.5
Apple Mac OS X 10.3.4
Apple Mac OS X 10.3.3
Apple Mac OS X 10.3.2
Apple Mac OS X 10.3.1
Apple Mac OS X 10.3
Apple Mac OS X 10.2.8
Apple Mac OS X 10.2.7
Apple Mac OS X 10.2.6
Apple Mac OS X 10.2.5
Apple Mac OS X 10.2.4
Apple Mac OS X 10.2.3
Apple Mac OS X 10.2.2
Apple Mac OS X 10.2.1
Apple Mac OS X 10.2
Apple Mac OS X 10.1.5
Apple Mac OS X 10.1.4
Apple Mac OS X 10.1.3
Apple Mac OS X 10.1.2
Apple Mac OS X 10.1.1
Apple Mac OS X 10.1
Apple Mac OS X 10.1
Apple Mac OS X 10.0.4
Apple Mac OS X 10.0.3
Apple Mac OS X 10.0.2
Apple Mac OS X 10.0.1
Apple Mac OS X 10.0 3
Apple Mac OS X 10.0
ALT Linux ALT Linux Junior 2.3
ALT Linux ALT Linux Compact 2.3
Not Vulnerable: Slackware Linux 10.1
Slackware Linux 10.0
Slackware Linux 9.1
Slackware Linux 9.0
Slackware Linux 8.1
Slackware Linux -current
NetBSD NetBSD 2.0.3
Heimdal Heimdal 0.6.4
F5 BIG-IP 4.6.3
F5 BIG-IP 4.5.13
F5 3-DNS 4.6.3
F5 3-DNS 4.5.13

Discussion

Multiple Vendor Telnet Client Env_opt_add Heap-Based Buffer Overflow Vulnerability

Multiple vendors' Telnet client applications are reported prone to a remote buffer-overflow vulnerability. This vulnerability reportedly occurs in the 'env_opt_add()' function in the 'telnet.c' source file, which is apparently common source for all the affected vendors.

A remote attacker may exploit this vulnerability to execute arbitrary code on some of the affected platforms in the context of a user that is using the vulnerable Telnet client to connect to a malicious server.

Exploit / POC

Multiple Vendor Telnet Client Env_opt_add Heap-Based Buffer Overflow Vulnerability


The following proof-of-concept code, designed to simply trigger this issue, has been made available:

perl -e 'print "\377", "\372\42\3\377\377\3\3" x 43, "\377\360"' | nc -l 23

Currently we are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected]

Solution / Fix

Multiple Vendor Telnet Client Env_opt_add Heap-Based Buffer Overflow Vulnerability

Solution:
Please see the referenced advisories for details on obtaining and applying the appropriate updates.


Heimdal Heimdal 0.6

Heimdal Heimdal 0.6.1

MIT Kerberos 5 1.3.3

MIT Kerberos 5 1.3.6

Apple Mac OS X Server 10.3.8

Debian Linux 3.0 mips

Debian Linux 3.0 mipsel

SCO Unixware 7.1.1

SCO Unixware 7.1.4

References

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