Ethereal TVB_GET_NSTRINGZ0() Memory Handling Vulnerability

BID:7883

Info

Ethereal TVB_GET_NSTRINGZ0() Memory Handling Vulnerability

Bugtraq ID: 7883
Class: Design Error
CVE: CVE-2003-0431
Remote: Yes
Local: No
Published: Jun 11 2003 12:00AM
Updated: Jul 11 2009 10:06PM
Credit: Discovery of this vulnerability credited to Timo Sirainen.
Vulnerable: SCO OpenLinux Workstation 3.1.1
SCO OpenLinux Server 3.1.1
Redhat Linux Advanced Work Station 2.1
Redhat Enterprise Linux WS 2.1
Redhat Enterprise Linux ES 2.1
Redhat Enterprise Linux AS 2.1
Ethereal Group Ethereal 0.9.12
Ethereal Group Ethereal 0.9.11
Ethereal Group Ethereal 0.9.10
Ethereal Group Ethereal 0.9.9
+ Mandriva Linux Mandrake 9.1 ppc
+ Mandriva Linux Mandrake 9.1
Ethereal Group Ethereal 0.9.8
+ Redhat Linux 9.0 i386
+ Redhat Linux 8.0 i386
+ Redhat Linux 8.0
+ Redhat Linux 7.3 i386
+ Redhat Linux 7.3
+ Redhat Linux 7.2 ia64
+ Redhat Linux 7.2 i386
+ Redhat Linux 7.2
+ Terra Soft Solutions Yellow Dog Linux 3.0
Ethereal Group Ethereal 0.9.7
Ethereal Group Ethereal 0.9.6
+ Conectiva Linux Enterprise Edition 1.0
Ethereal Group Ethereal 0.9.5
Ethereal Group Ethereal 0.9.4
+ 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
Ethereal Group Ethereal 0.9.3
+ Redhat Linux 7.3 i386
+ Redhat Linux 7.3
+ Redhat Linux 7.2 i386
+ Redhat Linux 7.2 alpha
+ Redhat Linux 7.1 ia64
+ Redhat Linux 7.1 i386
+ Redhat Linux 7.1 alpha
+ Redhat Linux 7.0 sparc
+ Redhat Linux 7.0 i386
+ Redhat Linux 7.0 alpha
+ Redhat Linux 6.2 sparc
+ Redhat Linux 6.2 i386
+ Redhat Linux 6.2 alpha
Ethereal Group Ethereal 0.9.2
Ethereal Group Ethereal 0.9.1
- Compaq Tru64 5.0
- Debian Linux 2.2 sparc
- Debian Linux 2.2 powerpc
- Debian Linux 2.2 IA-32
- Debian Linux 2.2 arm
- Debian Linux 2.2 alpha
- Debian Linux 2.2 68k
- HP HP-UX 11.0
- IBM AIX 5.1
- Linux kernel 2.4
- Microsoft Windows 2000 Professional
- Microsoft Windows 95
- Microsoft Windows 98
- Microsoft Windows 98SE
- Microsoft Windows ME
- Microsoft Windows NT Workstation 4.0
- NetBSD NetBSD 1.5
- OpenBSD OpenSSH 3.0
- SCO Unixware 7.0
- SGI IRIX 6.0
- Sun Solaris 8_sparc
Ethereal Group Ethereal 0.9
Not Vulnerable: Ethereal Group Ethereal 0.9.13
+ Mandriva Linux Mandrake 9.1 ppc
+ Mandriva Linux Mandrake 9.1
+ Redhat Fedora Core1

Discussion

Ethereal TVB_GET_NSTRINGZ0() Memory Handling Vulnerability

An Ethereal routine, tvb_get_nstringz0(), has been reported prone to a memory handling vulnerability. Reportedly tvb_get_nstringz0() incorrectly handles a zero-length buffer size.

Exploitation of this issue may allow an attacker to cause Ethereal to behave in an unpredictable manner.

The precise technical details of this vulnerability are currently unknown. This BID will be updated, as further information is available.

Exploit / POC

Ethereal TVB_GET_NSTRINGZ0() Memory Handling Vulnerability

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] <mailto:[email protected]>.

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