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Last updated: 9/22/2014 6:20:52 AM

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National Cyber Awareness System

Vulnerability Summary for CVE-2008-3889

Original release date: 09/12/2008
Last revised: 03/19/2012
Source: US-CERT/NIST

Overview

Postfix 2.4 before 2.4.9, 2.5 before 2.5.5, and 2.6 before 2.6-20080902, when used with the Linux 2.6 kernel, leaks epoll file descriptors during execution of "non-Postfix" commands, which allows local users to cause a denial of service (application slowdown or exit) via a crafted command, as demonstrated by a command in a .forward file.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 2.1 (LOW) (AV:L/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (01/01/1900)
Not vulnerable. This issue did not affect the versions Postfix as shipped with Red Hat Enterprise Linux 3, 4, or 5.

References to Advisories, Solutions, and Tools

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External Source: SECUNIA
Name: 31986
External Source: SECUNIA
Name: 31716
Type: Advisory
External Source: SECUNIA
Name: 31800
External Source: BUGTRAQ
Name: 20080916 [Suspected Spam][CVE-2008-4042] Postfix Linux-only local denial of service - PoC
External Source: MILW0RM
Name: 6472
External Source: MANDRIVA
Name: MDVSA-2008:190
External Source: SECUNIA
Name: 31982
External Source: FEDORA
Name: FEDORA-2008-8595
External Source: XF
Name: postfix-filedescriptor-dos(44865)
External Source: GENTOO
Name: GLSA-200809-09
External Source: SUSE
Name: SUSE-SR:2008:018
External Source: FEDORA
Name: FEDORA-2008-8593
External Source: BUGTRAQ
Name: 20081104 rPSA-2008-0311-1 postfix
External Source: BUGTRAQ
Name: 20080902 Postfix Linux-only local denial of service
External Source: SECTRACK
Name: 1020800
External Source: BID
Name: 30977
External Source: CONFIRM
Name: http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0311
External Source: MISC
Name: http://www.wekk.net/research/CVE-2008-3889/
External Source: CONFIRM
Name: http://www.postfix.org/announcements/20080902.html
Type: Patch Information
External Source: UBUNTU
Name: USN-642-1
External Source: SECUNIA
Name: 32231
External Source: SREASON
Name: 4239

Technical Details

Vulnerability Type (View All)