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Vulnerability Details : CVE-2008-3889

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.
Publish Date : 2008-09-12 Last Update Date : 2018-10-11
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceExecute Code

- Vendor Statements

Not vulnerable. This issue did not affect the versions Postfix as shipped with Red Hat Enterprise Linux 3, 4, or 5.
Source: Redhat

- Related OVAL Definitions

Title Definition Id Class Family
CVE-2008-3889 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2008-3889

# Product Type Vendor Product Version Update Edition Language
1 Application Postfix Postfix 2.4 Version Details Vulnerabilities
2 Application Postfix Postfix 2.4.0 Version Details Vulnerabilities
3 Application Postfix Postfix 2.4.1 Version Details Vulnerabilities
4 Application Postfix Postfix 2.4.2 Version Details Vulnerabilities
5 Application Postfix Postfix 2.4.3 Version Details Vulnerabilities
6 Application Postfix Postfix 2.4.4 Version Details Vulnerabilities
7 Application Postfix Postfix 2.4.5 Version Details Vulnerabilities
8 Application Postfix Postfix 2.4.6 Version Details Vulnerabilities
9 Application Postfix Postfix 2.4.7 Version Details Vulnerabilities
10 Application Postfix Postfix 2.4.8 Version Details Vulnerabilities
11 Application Postfix Postfix 2.5.1 Version Details Vulnerabilities
12 Application Postfix Postfix 2.5.2 Version Details Vulnerabilities
13 Application Postfix Postfix 2.5.3 Version Details Vulnerabilities
14 Application Postfix Postfix 2.6 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Postfix Postfix 14

- References For CVE-2008-3889
SUSE SUSE-SR:2008:018
XF postfix-filedescriptor-dos(44865)
BID 30977 Postfix 'epoll' Linux Event Handler Local Denial of Service Vulnerability Release Date:2008-11-05
BUGTRAQ 20080902 Postfix Linux-only local denial of service
BUGTRAQ 20081104 rPSA-2008-0311-1 postfix
BUGTRAQ 20080916 [Suspected Spam][CVE-2008-4042] Postfix Linux-only local denial of service - PoC
GENTOO GLSA-200809-09

- Vulnerability Conditions

Vulnerability is valid if product versions listed below are used TOGETHER WITH(AND)

- Metasploit Modules Related To CVE-2008-3889

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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