Vulnerability Name:

CVE-2009-2939 (CCN-53425)

Assigned:2009-09-18
Published:2009-09-18
Updated:2011-08-24
Summary:The postfix.postinst script in the Debian GNU/Linux and Ubuntu postfix 2.5.5 package grants the postfix user write access to /var/spool/postfix/pid, which might allow local users to conduct symlink attacks that overwrite arbitrary files.
CVSS v3 Severity:5.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:6.9 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C)
6.2 Medium (Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C/E:H/RL:TF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
3.3 Low (CCN CVSS v2 Vector: AV:L/AC:M/Au:N/C:N/I:P/A:P)
3.0 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:M/Au:N/C:N/I:P/A:P/E:H/RL:TF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-59
Vulnerability Consequences:File Manipulation
References:Source: MITRE
Type: CNA
CVE-2009-2939

Source: DEBIAN
Type: UNKNOWN
DSA-2233

Source: DEBIAN
Type: DSA-2233
postfix -- several vulnerabilities

Source: CCN
Type: oss-security Mailing List, Fri, 18 Sep 2009 14:25:16 -0500
Insecure pid directory permissions for postfix on Debian / Ubuntu

Source: MLIST
Type: Exploit
[oss-security] 20090918 Insecure pid directory permissions for postfix on Debian / Ubuntu

Source: CCN
Type: OSVDB ID: 58325
Debian GNU/Linux postfix postfix.postinst Symlink Arbitrary File Overwrite

Source: CCN
Type: Postfix Web site
Postfix Home page

Source: CCN
Type: BID-36469
Debian and Ubuntu Postfix Insecure Temporary File Creation Vulnerability

Source: XF
Type: UNKNOWN
postfix-pid-symlink(53425)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:postfix:postfix:2.5.5:*:*:*:*:*:*:*
  • AND
  • cpe:/o:debian:debian_linux:6.06:*:*:*:*:*:*:*
  • OR cpe:/o:ubuntu:ubuntu_linux:4.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:13293
    P
    		USN-1113-1 -- postfix vulnerabilities
    2014-06-30
    oval:org.mitre.oval:def:13019
    P
    		DSA-2233-1 postfix -- several
    2014-06-23
    BACK
    postfix postfix 2.5.5
    debian debian linux 6.06
    ubuntu ubuntu linux 4.0