Ethereal Malformed SNMP Denial of Service Vulnerability

BID:4168

Info

Ethereal Malformed SNMP Denial of Service Vulnerability

Bugtraq ID: 4168
Class: Input Validation Error
CVE:
Remote: Yes
Local: No
Published: Feb 22 2002 12:00AM
Updated: Feb 22 2002 12:00AM
Credit: Published by Information Security <[email protected]>.
Vulnerable: Gerald Combs Ethereal 0.8.13
- Debian Linux 2.2
- FreeBSD FreeBSD 5.0
- FreeBSD FreeBSD 4.2
- FreeBSD FreeBSD 3.5.1
- HP HP-UX 11.11
- IBM AIX 4.3.3
- NetBSD NetBSD 1.4.2
- OpenBSD OpenBSD 2.8
- Redhat Linux 7.0
- SuSE Linux 7.0
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 0.8.18
- Redhat Linux 7.2 ia64
 - Redhat Linux 7.2 i386
 - Redhat Linux 7.2
Not Vulnerable: 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

Discussion

Ethereal Malformed SNMP Denial of Service Vulnerability

Ethereal 0.9.1 is a sniffer and traffic analyzer. It is reported to crash when it receives (i.e., intercepts) a specific malformed SNMP packet. This is at the least a denial of service, but may also be an exploitable buffer overflow issue.

Exploit / POC

Ethereal Malformed SNMP Denial of Service Vulnerability

Currently the SecurityFocus staff 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]>.

Solution / Fix

Ethereal Malformed SNMP Denial of Service Vulnerability

Solution:
Though 0.9.2 fixes this problem, there are additional issues with the 0.9.2 release. Users are advised to use the 0.9.3 release.

Vendor fixes available:


Gerald Combs Ethereal 0.8.13

Ethereal Group Ethereal 0.8.18

Ethereal Group Ethereal 0.9.1

References

Ethereal Malformed SNMP Denial of Service Vulnerability

References:

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