6893 : Ethereal BGP Dissector MPLS Label Overflow
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Info

Last Modified

about 1 year ago

Percent Complete

100%

Disclosure

Jan 06, 2004

Discovery

Unknown

Dates

Exploit

Unknown

Solution

Unknown

Keywords

No Keywords

Description

A remote overflow exists in Ethereal. The BGP Dissector fails to check the bounds of the IPv6 label resulting in a stack overflow. With a specially crafted request, an attacker can potentially execute arbitrary code resulting in a loss of integrity. Due to the stacklayout, exploitation would be extremely difficult.

Classification

Location: Remote/Network Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Unavailable
Disclosure: OSVDB Verified

Solution

Upgrade to version 0.10.1 or higher, as it has been reported to fix this vulnerability. It is also possible to correct the flaw by implementing the following workaround: Disable the dissector

Products

Ethereal
Watch-list
Ethereal
Watch-list
0.9.x
0.8.14
0.8.15
0.8.16
0.8.18
0.8.19
0.8.20
0.8.17-a
0.10.0
0.10.0a

References

Tools & Filters

Nessus

12482 12537 14123 15348 20706

Credit

  • Stefan Esser - sesserBrand New Doo Doohardened-php.net - www.hardened-php.net

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