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Ethereal contains integer overflow in PPP dissector

Vulnerability Note VU#361700

Original Release Date: 2003-05-12 | Last Revised: 2003-05-12

Overview

Ethereal is a network traffic analysis package. The PPP packet dissector contains a vulnerability that may result in the execution of arbitrary code.

Description

The PPP packet dissector for Ethereal contains an integer overflow vulnerability. According to the Ethereal Advisory, tvb_get_nstringz() and tvb_get_nstringz0() were used in an unsafe manner.

Versions 0.9.11 and earlier of Ethereal are affected.

Impact

It may be possible for a remote attacker to crash the program or run arbitrary code on the system via a crafted packet.

Solution

Upgrade to version 0.9.12 which resolves this issue.

Vendor Information

361700
 

CVSS Metrics

Group Score Vector
Base
Temporal
Environmental

References

Acknowledgements

Thanks to Timo Sirainen for reporting this vulnerability.

This document was written by Jason A Rafail and is based upon information in the Ethereal Advisory.

Other Information

CVE IDs: None
Severity Metric: 6.95
Date Public: 2003-05-01
Date First Published: 2003-05-12
Date Last Updated: 2003-05-12 18:37 UTC
Document Revision: 5

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