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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200406-01] Ethereal: Multiple security problems


Vulnerability Assessment Details

[GLSA-200406-01] Ethereal: Multiple security problems

Vulnerability Assessment Summary
Ethereal: Multiple security problems

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200406-01
(Ethereal: Multiple security problems)


There are multiple vulnerabilities in versions of Ethereal earlier than
0.10.4, including:
A buffer overflow in the MMSE dissector.
Under specific conditions a SIP packet could make Ethereal crash.
The AIM dissector could throw an assertion, causing Ethereal to
crash.
The SPNEGO dissector could dereference a null pointer, causing a
crash.

Impact

A possible hacker could use these vulnerabilities to crash Ethereal or even
execute arbitrary code with the permissions of the user running Ethereal,
which could be the root user.

Workaround

For a temporary workaround you can disable all affected protocol dissectors
by selecting Analyze->Enabled Protocols... and deselecting them from the
list. However, it is strongly recommended to upgrade to the latest stable
release.

References:
http://www.ethereal.com/appnotes/enpa-sa-00014.html


Solution:
All Ethereal users should upgrade to the latest stable version:
# emerge sync
# emerge -pv ">=net-analyzer/ethereal-0.10.4"
# emerge ">=net-analyzer/ethereal-0.10.4"


Network Security Threat Level: High


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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