National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2008-5006 Detail


smtp.c in the c-client library in University of Washington IMAP Toolkit 2007b allows remote SMTP servers to cause a denial of service (NULL pointer dereference and application crash) by responding to the QUIT command with a close of the TCP connection instead of the expected 221 response code.

Source:  MITRE      Last Modified:  11/10/2008

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
(AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (01/30/2009)

The affected code is not used by any application shipped in Red Hat Enterprise Linux 2.1, 3, 4, and 5. The impact of this flaw is limited to a crash of the applications connecting to a misbehaving SMTP server. Due to those reasons, theres currently no plan to include the fix in the imap packages as shipped in Red Hat Enterprise Linux 2.1 and 3, and the libc-client packages as shipped in Red Hat Enterprise Linux 4 and 5.

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Hyperlink Resource Type Source Name External Source DEBIAN DSA-1685 External Source MANDRIVA MDVSA-2009:146 External Source MLIST [oss-security] 20081103 Re: CVE request - uw-imap External Source BID 32280 External Source XF imap-toolkit-smtp-dos(46604)

Technical Details

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