Vulnerability Note VU#659140
Ethereal ISUP protocol dissector fails to properly decode ISUP packets
Ethereal fails to properly decode ISDN User Part (ISUP) packets containing an overly long Interworking Function Address (IWFA) value.
Ethereal is a network traffic analysis package. It includes the ability to decode packets containing ISUP data. There is a vulnerability in the way the ISUP protocol dissector decodes the IWFA value. By sending an ISUP packet containing an overly long IWFA value, a remote, unauthenticated attacker could execute arbitrary code.
A remote, unauthenticated attacker could execute arbitrary code on the vulnerable system.
Upgrade to version 0.10.3 or later.
2) Deselect the ISUP protocol dissector from the list
(for Ethereal versions 0.10.x)
2) Disable the ISUP protocol dissector from the list by unchecking its "Status" checkbox
However, it is strongly encouraged to upgrade to version 0.10.3 or later.
Systems Affected (Learn More)
|Vendor||Status||Date Notified||Date Updated|
|Ethereal||Affected||-||25 Mar 2004|
CVSS Metrics (Learn More)
Ethereal credits Stefan Esser for reporting this vulnerability.
This document was written by Damon Morda.
- CVE IDs: CAN-2004-0176
- Date Public: 22 Mar 2004
- Date First Published: 25 Mar 2004
- Date Last Updated: 25 Mar 2004
- Severity Metric: 9.82
- Document Revision: 10
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