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Wireshark SSCOP dissector fails to properly handle malformed packets

Vulnerability Note VU#696896

Original Release Date: 2006-10-25 | Last Revised: 2006-10-25

Overview

Wireshark contains a vulnerability in the SSCOP dissector that may cause a denial of service condition.

Description

Wireshark contains a vulnerability in the Service-Specific Connection Oriented Protocol (SSCOP) dissector.

Wireshark states that:
If the SSCOP dissector has a port range configured and the SSCOP payload protocol is Q.2931, a malformed packet could make the Q.2931 dissector use up available memory. No port range is configured by default.
Wireshark states that Wireshark versions 0.7.9 - 0.99.2 are vulnerable.

Note: Ethereal has changed its name to Wireshark.

Impact

By sending a malformed packet, a remote attacker may be able to cause the Q2931 dissector to exceed the available memory and cause a denial of service condition.

Solution

Update
Wireshark has released an updated product version (Wireshark 0.99.3)
.

Workaround

Wireshark provides a workaround in security document wnpa-sec-2006-02.

Vendor Information

696896
 
Affected   Unknown   Unaffected

Wireshark

Updated:  October 24, 2006

Status

  Vulnerable

Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see Wireshark security document wnpa-sec-2006-02 for further information.

If you have feedback, comments, or additional information about this vulnerability, please send us email.


CVSS Metrics

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A

References

Acknowledgements

This vulnerability was reported in Wireshark document wnpa-sec-2006-02.

This document was written by Katie Steiner.

Other Information

CVE IDs: CVE-2006-4333
Severity Metric: 0.56
Date Public: 2006-08-25
Date First Published: 2006-10-25
Date Last Updated: 2006-10-25 18:03 UTC
Document Revision: 16

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