HydraIRC DCC file transfer denial of service

hydrairc-dcc-dos (35409)

Medium Risk

Description:

HydraIRC is vulnerable to a denial of service, caused by a format string vulnerability when a DCC file transfer fails. By sending a specially-crafted DCC file transfer request, a remote attacker could exploit this vulnerability to cause a denial of service.

*CVSS:

Base Score:	3.5
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	2.6
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of HydraIRC (0.3.160 or later), available from the HydraIRC Web site. See References.

References:

• HydraIRC Web site: HydraIRC.
• Portcullis Security Advisory 07-008: (HydraIRC) Denial of service due to format string vulnerability in DCC file transfer .
• CVE-2007-3836: Format string vulnerability in HydraIRC 0.3.151 allows remote attackers to cause a denial of service via format string specifiers in certain data related to failed DCC file transfer negotiation.
• OSVDB ID: 38623: HydraIRC Failed DCC File Transfer Format String

Platforms Affected:

• HydraIRC HydraIRC 0.3.151

Reported:

Jul 13, 2007

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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