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Vulnerability Details : CVE-2008-2936

Postfix before 2.3.15, 2.4 before 2.4.8, 2.5 before 2.5.4, and 2.6 before 2.6-20080814, when the operating system supports hard links to symlinks, allows local users to append e-mail messages to a file to which a root-owned symlink points, by creating a hard link to this symlink and then sending a message. NOTE: this can be leveraged to gain privileges if there is a symlink to an init script.
Publish Date : 2008-08-18 Last Update Date : 2018-10-11
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Gain privileges
CWE ID 264

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate 2008-07-22 2008-08-14
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2008-2936 unix
DSA-1629 postfix -- programming error oval:org.mitre.oval:def:7819 unix
DSA-1629-1 postfix - privilege escalation oval:org.mitre.oval:def:18596 unix
DSA-1629-2 postfix - privilege escalation oval:org.mitre.oval:def:20269 unix
ELSA-2008:0839: postfix security update (Moderate) oval:org.mitre.oval:def:22549 unix
Postfix before 2.3.15, 2.4 before 2.4.8, 2.5 before 2.5.4, and 2.6 before 2.6-20080814, when the operating system suppor... oval:org.mitre.oval:def:10033 unix
RHSA-2008:0839 -- postfix security update (Moderate) oval:org.mitre.oval:def:28256 unix
RHSA-2008:0839: postfix security update (Moderate) oval:com.redhat.rhsa:def:20080839 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-2008-2936

# Product Type Vendor Product Version Update Edition Language
1 Application Postfix Postfix 2.3.0 * * * Version Details Vulnerabilities
2 Application Postfix Postfix 2.3.1 * * * Version Details Vulnerabilities
3 Application Postfix Postfix 2.3.2 * * * Version Details Vulnerabilities
4 Application Postfix Postfix 2.3.3 * * * Version Details Vulnerabilities
5 Application Postfix Postfix 2.3.4 * * * Version Details Vulnerabilities
6 Application Postfix Postfix 2.3.5 * * * Version Details Vulnerabilities
7 Application Postfix Postfix 2.3.6 * * * Version Details Vulnerabilities
8 Application Postfix Postfix 2.3.7 * * * Version Details Vulnerabilities
9 Application Postfix Postfix 2.3.8 * * * Version Details Vulnerabilities
10 Application Postfix Postfix 2.3.9 * * * Version Details Vulnerabilities
11 Application Postfix Postfix 2.3.10 * * * Version Details Vulnerabilities
12 Application Postfix Postfix 2.3.11 * * * Version Details Vulnerabilities
13 Application Postfix Postfix 2.3.12 * * * Version Details Vulnerabilities
14 Application Postfix Postfix 2.3.13 * * * Version Details Vulnerabilities
15 Application Postfix Postfix 2.3.14 * * * Version Details Vulnerabilities
16 Application Postfix Postfix 2.4.0 * * * Version Details Vulnerabilities
17 Application Postfix Postfix 2.4.1 * * * Version Details Vulnerabilities
18 Application Postfix Postfix 2.4.2 * * * Version Details Vulnerabilities
19 Application Postfix Postfix 2.4.3 * * * Version Details Vulnerabilities
20 Application Postfix Postfix 2.4.4 * * * Version Details Vulnerabilities
21 Application Postfix Postfix 2.4.5 * * * Version Details Vulnerabilities
22 Application Postfix Postfix 2.4.6 * * * Version Details Vulnerabilities
23 Application Postfix Postfix 2.4.7 * * * Version Details Vulnerabilities
24 Application Postfix Postfix 2.5.0 * * * Version Details Vulnerabilities
25 Application Postfix Postfix 2.5.1 * * * Version Details Vulnerabilities
26 Application Postfix Postfix 2.5.2 * * * Version Details Vulnerabilities
27 Application Postfix Postfix 2.5.3 * * * Version Details Vulnerabilities
28 Application Postfix Postfix 2.6.0 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Postfix Postfix 28

- References For CVE-2008-2936
VUPEN ADV-2008-2385
SUSE SUSE-SA:2008:040
MLIST [postfix-announce] 20080814 Postfix local privilege escalation via hardlinked symlinks
REDHAT RHSA-2008:0839
GENTOO GLSA-200808-12
SECTRACK 1020700
CERT-VN VU#938323
BID 30691 Postfix Local Information Disclosure and Local Privilege Escalation Vulnerabilities Release Date:2009-12-07
XF postfix-symlink-code-execution(44460)
OVAL oval:org.mitre.oval:def:10033
BUGTRAQ 20080831 PoCfix (PoC for Postfix local root vuln - CVE-2008-2936)
BUGTRAQ 20080821 rPSA-2008-0259-1 postfix
BUGTRAQ 20080814 Postfix local privilege escalation via hardlinked symlinks

- Metasploit Modules Related To CVE-2008-2936

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

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