Security Advisory SA35104 - Eggdrop servmsg.c Denial of Service Vulnerability

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Secunia Advisory SA35104

Eggdrop servmsg.c Denial of Service Vulnerability

Secunia Advisory

SA35104

Release Date

2009-05-15

Last Update

2009-05-27

Popularity

3,875 views

Comments

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Criticality level

Moderately critical

Impact

DoS

Where

From remote

Authentication level

This information is available to Secunia VIM customers

Report reliability

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Solution Status

Vendor Patch

Systems affected

This information is available to Secunia VIM customers

Approve distribution

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Software:

Eggdrop 1.6.x

Secunia CVSS Score

This information is available to Secunia VIM Customers

CVE Reference(s)

CVE-2009-1789 CVSS score available to Secunia VIM customers

Description

Thomas Sader has reported a vulnerability in Eggdrop, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error in the processing of private messages within the server module (/mod/server.mod/servrmsg.c). This can be exploited to cause a crash by sending a specially crafted message to the bot.

Successful exploitation requires that the attacker is connected to the same IRC network as Eggdrop.

The vulnerability is reported in version 1.6.19.

Solution
Update to Eggdrop 1.6.19+ctcpfix.

Provided and/or discovered by
Thomas Sader

Changelog
Further details available to Secunia VIM customers

Original Advisory
http://archives.neohapsis.com/archives/fulldisclosure/2009-05/0129.html

Deep Links
Links available to Secunia VIM customers

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Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Eggdrop servmsg.c Denial of Service Vulnerability

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Secunia Advisory SA35104

Eggdrop servmsg.c Denial of Service Vulnerability

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